Answer:
x = -3
∠ERP = 97°
Explanation:
- an exterior angle of a triangle is equal to the sum of the opposite interior angles
∠Q + ∠P = ∠R
- 17x - 1 - 10x + 17 = - 32x + 1
- 17x - 10x + 32x = 1 + 1 - 17
5x = - 15
x = - 15/5
x = -3
∠ERP =
- 32x + 1 =
- 32 * (- 3) + 1 =
97
∠ERP = 97°