3 years ago

ABC

1 answer:

6 0

I’m pretty sure the answer would be 11 because if 9×10xa(or whatever letter you use) equals 990 then a=11. Hope this helps!

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The diameter would be 11 feet

Step-by-step explanation:

C = pi * d

we don't know D so we rearrange the equation to solve for D by dividing both sides by pi:

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3 years ago