Question

A 3 by 4 rectangle is inscribed in circle. What is tha circumference of the circle?

Answer 1

Answer:

5π

Step-by-step explanation:

The diagonals of the rectangle are diameters of the circle and they have length d = √(3²+4²) = 5.

So the circumference of the circle is π d = 5π

Answer 2

Answer:

5π

Step-by-step explanation:

diameter, d = $\sqrt{3^{2}+4^{2} }$ = 5

circumference, c = 2πr = π(2r) = πd [since 2r = d]

πd = π(5) = 5π

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