Answer:
78.5
Step-by-step explanation:
A=πr^2 is the formula. Since you're using pi as 3.14, 3.14 times 5^2 is 78.5 (5^2 is 25 because 5x5=25)
Is b I already did that question like a lot of times is so easy trust me is b
I don’t understand your question
Answer:
20%
Step-by-step explanation:
8+2=10 and 10=100%-80%=20%