Question

1 and 2 are a linear pair. m1 1= x - 30, and M2 = x+76 find the measure of each angle

Answer 1

M 1 + m 2 = 180°
x - 30° + x + 76° = 180°
2 x + 46° = 180°
2 x = 180° - 46°
2 x = 134°
x = 134° : 2 = 67°
m 1 = 67° - 30° = 37°
m 2 = 67° + 76° = 143°
Answer:
C ) ∠ 1 = 37°, ∠ 2 = 143°
 

Answer 2

1. B

2. C

3. B

4. C

5. A

6. A

7. C

8. A

9. D

10. C

11. B

12. B