Step-by-step explanation:
- (8x-38°)=90° {because of being vertically opposite angles}
- 8x-38°=90°
- 8x=90°-38°
- 8x=52°
- x=52°/8
- x=6.5°
- z°+90°=180° {being linear pair}
- z°=180°-90°
- z°=90°
Answer:
20
Step-by-step explanation:
Answer:
rotation
Step-by-step explanation:
because the earth rotates
C=3.14r^2 that's the formula a
