Answer:
Step-by-step explanation:
Answer:
b = 3 or -3 i suppose
Step-by-step explanation:
Answer:
132.73
Step-by-step explanation:
the equation for area of a circle is A=πr*2
if your diameter is 13 simply take half of that and plug into the equation
π(6.5)*2 which when put into a calculator comes out to 132.732289