Answer:
The formula for area of a circle is A = tt r^2
So 3.14 * 3.5^2 = 38.5
Step-by-step explanation:
Answer:
I need info
Step-by-step explanation:
Answer:

Step-by-step explanation:
Split the diametre in half before proceeding:

I am joyous to assist you at any time.
Answer:
The width of the interval would increase.
Step-by-step explanation: