Question

Find the radius of a circle whose circumference is 57.2cm. take) 22 ÷ 7​

Answer 1

$\huge \purple{\fbox \red{\fbox\pink{\fbox\red{ANSWER: - }}}}$

r

≈

9.1

cm

Answer 2

$\huge\tt\purple{Answer}$

$circum. \: of \: a \: circle \: = \: 2 \times \pi \times r \\ 57.2cm \times \: 22 \times 7 \times radius \\ 57.2 cm \times 7 = 44 \times radius \\ radius = 9.1cm \\ \\ check: \: 2 \times \pi \times radius \\ 2 \times 22 \div 7 \times 9.1 \\ = {57.2cm}^{2}$

hope it helps...

mark as brainliest