Answer:
A≈78.54cm² Diamter= 10
Step-by-step explanation:
hope this helps
A=78.54 cm sq
Using the formulas
A=πr2
d=2r
Solving for A
A=1
4πd2=1
4·π·102≈78.53982cm²
5
You cannot divide first because in equations you need to isolate the variable, which means subtracting first. The outcome will be different if you change the order.
Period=2pi/3
