Answer:
Sarah is correct.
Step-by-step explanation:
You need to find the diameter or radius whichever is used and you can do the equation backwards to find the radius or diameter. Once you find them then you will need to do the formula for circumference.
9,000 + 900 + 83
Hope this helps u !!
16.7
We can use the Pythagorean theorem, a^2 + b^2 = c^2.
a = 11
c = 20
11^2 + b^2 = 20^2
121 + b^2 = 400
b^2 = 279
b = sqrt(279) = 16.7
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