Answer:
x = 7°
Step-by-step explanation:
Using the exterior angle theorem (the sum of the two opposite angles in the triangle equals the exterior angle)
Solve:
- (3x + 17) + (3x + 11) = 11x - 7
- 6x + 28 = 11x - 7
- 28 = 5x - 7
- 35 = 5x
- x = 7
The value of x = 7
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-Chetan K
