Question

What is the radius of the circle whose perimeter is 28.27 cm?
What is the area of the circle whose perimeter is 31.42 cm?
HELPPPPP

Answer 1

Given the perimeter of the circle is 28.27 cm

to find : the radius of the circle

perimeter of the circle=2πr

$2 \times \frac{22}{7} \times x = 28.27 \\ x = \frac{2827}{100} \times \frac{7}{11} \\ so \: \: x = 15.26 \: cm$

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