In the square, four inner segments extended from the four vertices form a square in the center. What is the percentage of the grey area to the total area.
Every other side of a regular decagon is extended to form a regular pentagon, find the ratio of two shaded regions?
A square with side length 1 is divided into 4 congruent right triangles, as shown, and a square in the center. Inscribe a circle in each triangle and in the center square. If all 5 circles are congruent, what is the radius of each circle?
A circle has a radius of 12 units and its center is at one vertex of a square. The square has a side of 12 units. Find the area of the shaded region?
A paper is in the form of a square of side 20 m. Semi-circular are drawn inside the square paper on two opposite sides as diameter. If semi-circular portions are cut off. then what would be the area of the remaining paper?
