Answer:
Step-by-step explanation:
A= πr²
A= 22/7 multiply by the radius.
Divide 9.4cm by 2.
Whatever you get is your answer. Now take the formula I have shown you above. Whatever you get is your answer.
Answer:
c
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
2/9 = 10/m
m = 10*9/2
m = 90/2
m = 45