Question

Circle O is inscribed in square EFGH.

The circumference of circle Ois 20 centimeters.
Which of the following is closest to the perimeter
of square EFGH?

A. 27 cm
B. 24cm
C. 28.5cm
D. 24.5cm

Answer 1

D) 25.5 cm

Explanation:

Circumference = pi × d

20 = 3.14 × d

d = 6.3694267516

Diameter = length of one side

Perimeter of the square = 4s

4(6.3694267516)

25.4777070064 cm

From the options, closest is 25.5