millanesjamela
23.03.2021 •
Mathematics
What is the area of a circle to the nearest foot of the circumference of the circle is 8 ft ?
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Ответ:
16π ft²
Step-by-step explanation:
To calculate the area we require the radius.
Given circumference (C) = 8π , then
2πr = 8π ( divide both sides by 2π )
r = 4
Then area (A) is
A = πr² = π × 4² = 16π ft²
Ответ:
Ответ:
2/3x + 3 = 11
2/3x = 8
x = 12
2. 2n - 10 = 24
2n = 34
n = 17