Answer:3
Step-by-step explanation:
Step-by-step explanation:
<A + < B = 90° { being complementary angles)
2x + 10° + 3x + 15° = 90°
5x = 90° - 15° - 10°
5x = 65°
x = 13°
Now
<B = 3x + 15° = 3 *13° + 15° = 54°
Hope it will help :)
Answer: this is a reflection across the x-axis
9514 1404 393
Answer:
6
Step-by-step explanation:
6 triangles are formed by the three diagonals through the center.