Assuming we have parallel lines, we can solve for x.
Since a = 3x - 10 (vertically opposite angles are equal),
3x - 10 = 2x + 15 (alternate angles are equal)
x = 25
Hence, angle a = 3(25) - 10 = 65°
Answer:
You have to say which one is the shaded region the circle or the rectangle
Step-by-step explanation:
The perimeter of the triangle with those given lengths is