Answer:
ummm
Step-by-step explanation:
3. 84,8004.5
4. 0.04567
its 3 hope it helps ok
∠CBA + ∠ABD = 180 {linear pair}
2x - 6 + x +1 = 180
3x -5 = 180
3x = 180 +5
3x = 185
x = 185/3
x = 61 2/3
Radius=10
Diameter=20
circumference=62.8
Area=314