Find the exact circumference of a circle with an area equal to 36
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2 answers:
Answer:
12π inches.
Step-by-step explanation:
Area = π r^2 = 36π (given).
So r^2 = 36 giving r = 6.
The exact circumference = 2 π r
= 2 π * 6
= 12π.
Answer:
12πin
Step-by-step explanation:
From the question given, the area of the circle is 36πin^2
Recall:
Area of circle = πr^2
36π = πr^2
Divide both side by π
36 = r^2
Take the square root of both side
r = √36
r = 6in
Circumference of a circle = 2πr
= 2π x 6
= 12πin
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