sophiaa23
07.07.2021 •
Mathematics
A regular 2016-gon with all vertices on the unit circle is given. Find its perimeter, as a decimal to the nearest hundredth.
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Ответ:
15.59 in^2
Step-by-step explanation:
The area of an equilateral triangle with side length "s" is given by ...
A = (√3)/4·s^2
Filling in your numbers, we have ...
A = (√3)/4·(6 in)^2 = 9√3 in^2
A ≈ 15.59 in^2
The area is about 15.59 square inches.
Ответ:
1492.88
Step-by-step explanation:
V = πr^2 h/3
3.14 × 18^2
3.14 × 324 = 1017.36
1017.36 × 4.4 = 4476.384
4476.384 ÷ 3 = 1492.88
Hope this helped.