top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

What geometric figure could be constructed from the difference in the sums of the internal angles of an.................

0 votes
52 views

What geometric figure could be constructed from the difference in the sums of the internal angles of an octagon and a pentagon?

posted Nov 7, 2019 by Parampreet Kaur

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

Sum of internal angles of n- angle polygon = (n-2)*180
Sum of angles of octagon = (8-2)*180
Sum of angles of pentagon = (5-2)*180
the difference in the sum of angles = 3*180 => n=5, this figure is pentagon

answer Nov 7, 2019 by Hanifa Mammadov



Similar Puzzles
0 votes

In the figure, semicircles are constructed on the hypotenuse and legs of a right angle triangle. If S1, S2 are the area of shaded regions and S is the area of right angled triangle, which of the following is true and why ?

  1. S1 + S2 = S
  2. S1 + S2 = 2S
  3. S1 + S2 = 3S

enter image description here

0 votes

There are 10 squares that are constructed as shown in the diagram. Find the difference between blue and red angle in degrees.

enter image description here

...