Answer:
π(8)²=64π
Step-by-step explanation:
Area = Pi times radius squared
We know the Diameter is 16 so the radius must be 8.
8 squared = 64, then we multiply pi when you get your answer.
Answer:
4
Step-by-step explanation:

Answer:
70
Step-by-step explanation:
Answer:
10, 4, 8
Step-by-step explanation:
10 - 4 = 6
4 - 4 = 0
8 - 4 = 4
For Question 1:
angle CAB, angle ABC, angle BCA
Question 2: angle BCD