Isaacochoa780
01.05.2021 •
Mathematics
Hey who wanna do zo om?
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Ответ:
Step-by-step explanation:
hope it helps you haveОтвет:
Step-by-step explanation:
jk
Ответ:
The formula for area of a circle is: πr^2
r is half the diameter.
FE is the diameter: r = 20/2 = 10
Area of circle using FE = π10^2 = π * 100 = 314 square meters.
BE is a radius:
Area = π3.5^2 = π * 12.25 = 38.465 = 38.5 square cm ( rounded to nearest tenth).
AB is a radius:
Area = π11^2 = π * 121 = 379.94 = 380 square feet ( rounded off).
EF is a diameter
r = 12/2 = 6 meters
Area = π6^2 = π * 36 = 113.04 = 113 square meters ( rounded off).