marcucciisabella
03.03.2020 •
Mathematics
If a standard dartboard's diameter is 17.75 inches, what is the area of once sector?
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Ответ:
12.37 square inches
Step-by-step explanation:
The area of the dartboard can be figured from the diameter as ...
A = (π/4)d² = (π/4)(17.75 in)² ≈ 247.4495 in²
There are 20 sectors, all the same size, so the area of one of them is ...
sector area = (1/2)(247.4495 in²) ≈ 12.37 in²
Ответ: