Find x in the figure?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

We know that the sum of the interior angles of a polygon of n sides is equal to (2n - 4) right angles.

Therefore, sum of all interior angles of a pentagon is 540o.

x + 100o + x + 90o + 90o = 540o

2x = 540o - 280o

x = = 130o

Answered by  | 4th Jun, 2014, 03:23: PM