The surface area of a sphere is

and if the original S.A was is enlarged to have it 9 times greater, the radius would be multiplied by 3 or roughly 2.99626 rounded off to 3.0.
For example, let us assign values.
Let A=90
A= 90*9 = 810

and

the first r is 2.68 and the second r is 8.03
then,

or rounded off to 3.
She would need approximately 16 yards
Answer:
Step-by-step explanation:
it is C
Answer:
-¹/5.
Step-by-step explanation:
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Answer:
x=58
Step-by-step explanation: Since there is a right angle, you add 22 and 10 and get 32. then you subtract from 90, because 90 degrees is what a right angle measures so you should get 58