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7. Find the circumference of a circle if the area is 300 square centimeters. A. 84.74 cm B. 9.77 cm C. 56.25 cm D. 61.38 cm
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4 votes
7. Find the circumference of a circle if the area is 300 square centimeters.

A. 84.74 cm
B. 9.77 cm
C. 56.25 cm
D. 61.38 cm

User Tastyminerals
by
7.9k points

2 Answers

4 votes

Answer:

the correct answer is 61.38 cm, which is D


Explanation:


User Allan Mermod
by
8.3k points
2 votes
So the formula for a circle is Pie * r^2
If you divide 300 by pie and then Square root it you would get your radius
And once you have the radius you would use the equation of 2pie * r to find the circumfrence.
Answer is D. 61.38
User Jurchiks
by
7.3k points
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