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What is the exact circumference of the circle?

What is the exact circumference of the circle?-example-1
User Jchysk
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2 Answers

4 votes

Answer:

diagonal or diameter =√(5²+5²)=5√2unit

therefore radius =5/2√2unit

circumference of circle =2πr=2×π×5/2×√2=5π√2unit

User Karthic Rao
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4 votes

Answer:

circumference = 22.2144 or 5π√2

Explanation:

the diameter of the circle would be equal to the diagonal of the square.

Using the Pythagorean theorem:

D² = 5² + 5²

D² = 50

D = 7.0711 or 5√2

circumference = πD = 5π√2 = 22.2144

User Guillaume Cernier
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