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
(x*9)+3=7
three more is +3
product of a number and 9 is x*9
and equal to seven is =7
the answer is 38200000
