Answer:
Value of x = 28°
Explanation:
Given:
∠AEC = (3x + 40)°
∠AED = 2x°
Find:
Value of x
Computation:
We know that ∠AEC , ∠AED makes a straight line
So,
∠AEC + ∠AED = 180°
(3x + 40)° + 2x° = 180°
3x + 40 + 2x = 180
5x + 40 = 180
5x = 140
x = 28
Value of x = 28°
