fatty18
18.08.2021 •
Mathematics
I need help with all 4
For # 31 - 34, solve the equation for the unknown variable.
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Ответ:
100.53cm
Step-by-step explanation:
the formula = A = pi * r^2/2
So, the formula for the area of a semicircle is A = pi * r^2/2.
pi= 3.14
A = 3.14 * 8^2/2. 8^2 is 64, so A = 3.14 * 64/2.
hope this helped)