The circumference of a circle can be found using the formula C = 2r.
Which is an equivalent equation solved for r?
r = C
r = C(2)
r = r equals StartFraction C Over 2 pi EndFraction.
r = r equals StartFraction 2 pi Over C EndFraction.
Answers
Answered by
7
Answer:
The formula for the circumference of a circle is C = 2r, where r is the radius and C is the circumference. The equation solved for r is r = r equals StartFraction C Over 2 pi EndFraction..
Find the radius of a circle that has a circumference of 16.
r = 4
r = 8
r = 12
r = 16
2
Answered by
12
Answer: r equals Start Fraction C Over 2 pi End Fraction.
Step-by-step explanation:
- we know that the circumference of a circle is equal to where, r is the radius of the circle
- Solve for r
That means -----> isolate the variable r
Divide by 2π both sides
Simplify right side
Rewrite
so
r equals Start Fraction C Over 2 pi End Fraction
∴
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