Most answered puzzles under tag geometry

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In the image below, can you find the the value of an angle(y)

posted Feb 28, 2018 by Aastha Joshi

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What is an open plane curve formed by the intersection of a cone with a plane parallel to its side, resembling..........

posted Jan 31, 2018 by Ujjwal Mehra

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What is the maximum number of sides a regular polygon can have such that its interior angles (in degrees) are integers?

posted Jan 30, 2018 by anonymous

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In a billiard table shaped like a right isosceles triangle as in the diagram, a ball struck at marked vertex...

posted Jan 18, 2018 by anonymous

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I have 3 unit circles. Two of them are externally tangent to each other. The third one passes through tangent point...

posted Jan 17, 2018 by anonymous

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3 identical 30°, 60°, 90° right triangles are arranged as shown in figure. What is the ratio between greed and red line?

posted Jan 3, 2018 by anonymous

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If one angle of a parallelogram is 24° less than twice the smallest angle, what is the largest angle?

posted Dec 28, 2017 by anonymous

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Sides of a triangle are in the ratio 3:4:5. If R denotes circumradius and r denotes inradius then find R/r?

posted Dec 11, 2017 by anonymous

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What is the relation between cuboid with dimension a x b x c and 3 cubes with side lengths a, b and c respectively?

posted Dec 11, 2017 by anonymous

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In the regular decagon (10-sided polygon) below, find the percentage of the shaded area.

posted Dec 7, 2017 by anonymous

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If you knew that the radius of the big circle and the big arcs is 5 cm, what is the area of the yellow region?

posted Nov 26, 2017 by anonymous

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Seven circles, each with radius 1, overlap to form the composite figure shown below. Find the area of shaded region?

posted Nov 10, 2017 by anonymous

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I points (x,y,z) on a surface satisfies: xy+yz+zx=1 then what is the name of this surface ?

posted Nov 9, 2017 by anonymous

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Find the length of the latus rectum of ellipse whose foci are ( -2, -1) & (1, 2) and one of the directrices is x + y = 5

posted Nov 5, 2017 by anonymous

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How many triangles are there in a regular pentagon with all its diagonals drawn?

posted Oct 23, 2017 by anonymous

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If triangles continue indefinitely in the square then what fraction of the square is shaded?

posted Sep 25, 2017 by anonymous

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If side lengths of the squares in the diagram are 8, 6 and 4 respectively. Find the area of the grey region?

posted Sep 22, 2017 by anonymous

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In a Right angle triangle ABC - AB=3,AC=4 & BC=5. At BC, E is middle point and D is altitude AD. Find distance DE=?

posted Sep 20, 2017 by Mayank

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In a large equilateral triangle, we draw the incircle. In the incircle, we draw another equilateral triangle...

posted Sep 13, 2017 by anonymous

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What shape are the 6 faces of a cube?

posted Sep 8, 2017 by Sandeep Bedi

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Check the image and tell that what is the area of DEF?

posted Sep 2, 2017 by anonymous

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A cube is sliced into halves in such a way that cut is a regular hexagon. What is angle between plane of cut and base?

posted Aug 23, 2017 by anonymous

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Hidden circles in the image...

posted Aug 21, 2017 by Vilas Joshi

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From the given figure, find the area of the colored regions x+y?

posted Aug 17, 2017 by anonymous

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In the figure square ABCD is inscribed in a circle. EFGH is also a square with points E,F on circle and G,H on square...

posted Aug 6, 2017 by anonymous

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In the given image if diameter ACE is divided in the ratio of 2:3 then what is the ratio of shaded and unshaded region?

posted Aug 1, 2017 by anonymous

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What shape are the 4 faces of a tetrahedron?

posted Jul 25, 2017 by Anshika Utadi

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What is the height of a triangle with an area of 16 square metres and a base 4 metres long?

posted Jul 24, 2017 by Kapil Kapoor

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2 spheres of radius 3 m, 3 cylinder of radius 2 m, height 3 meter and 2 cones of radius 2 m, height 4 m are melted...

posted Jul 12, 2017 by anonymous

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A triangle has sides of 1cm, 2cm and 3cm. What is its area?

posted Jul 7, 2017 by anonymous

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If the blue triangle's area is 20, then what is the area of the orange quadrilateral in the given image?

posted Jul 5, 2017 by anonymous

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If the length of two sides of a right angled triangle measured in inches are prime numbers, and it has two adjacent.....

posted Jul 4, 2017 by Sidharth Malhotra

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If the smaller, red square has an area of 800, what is the area of the large square?

posted Jul 1, 2017 by anonymous

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If ABCD is a square of area 1. E, F are mid points of AB and BC respectively. What is the area of blue region?

posted Jul 1, 2017 by anonymous

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How can you cut the below shape into exact two parts by adding a single(not necessarily a straight) line?

posted Jun 26, 2017 by Udita

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5 spheres of radius 2 m, 7 cylinder of radius 3 m, height 7 m and 4 cones of radius 5 m, height 8 m are melted..

posted Jun 22, 2017 by anonymous

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If in the given triangle the yellow area is 47 then what is the blue area?

posted Jun 16, 2017 by anonymous

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I have a quadrilateral with perimeter 4 and area 1. Find the maximum value of the product of its diagonal lengths.

posted Jun 13, 2017 by anonymous

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We cut a rectangle into 16 smaller ones. We know the area of seven rectangles, what is the area of the yellow rectangle?

posted Jun 13, 2017 by anonymous

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Consider the regular 9-gon as shown in figure, Which area is larger: the grey or the white?

posted May 26, 2017 by Chahat Sharma

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A cylinder has a total surface area of 6Pi. What is its maximum possible volume?

posted May 22, 2017 by anonymous

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9 unit circles are packed into a square. What is the length of longest path connecting two opposite corners of square?

posted May 15, 2017 by Pushpak Chauhan

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A right trapezoid is partitioned into 4 triangles by its diagonals, as shown. Which colored region has a largest area?

posted May 10, 2017 by anonymous

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What are the dimensions of rectangle A6 in the following image?

posted May 4, 2017 by anonymous

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What is the radius of small circle in the given image?

posted May 1, 2017 by anonymous

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You have to divide the given square into 4 equal parts by adding nine matchsticks.

posted Apr 24, 2017 by Dilbagh

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A spherical buoy is floating with emerged part of height=18 cm and radius=14 cm (as in image), What is radius of buoy?

posted Apr 23, 2017 by anonymous

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If a Triangle has side lengths as 4, 5 and 6 cm then how many times larger is the largest angle to the smallest angle?

posted Apr 17, 2017 by anonymous

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What is the ratio of dimensions of this special rectangle ?

posted Apr 6, 2017 by Tejas Naik

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A five pointed star is made by extending sides of a regular pentagon. What fraction of star on right is shaded yellow?

posted Apr 3, 2017 by anonymous