The interior angles of a pentagon are 126o, 114o, y, 92o and 83o. Find the value of y.
- 85o
- 95o
- 105o
- 115o
-
125o
The correct answer is: E
Explanation
Sum of the angle of a pentagon= (2 x 5 - 4) x 90
= 540o
126 + 114 + y + 92 + 83 = 540
y = 540 - 415 = 125o