Question

the radius of a circle is 30 com what is it's circumference (π= 3.4​

Answer 1

Answer:

2×3.4×30=204 cm2

Step-by-step explanation:

hope it will help you

Answer 2

Given,

• Radius of circle = 30 cm
• Value of pi(π) = 3.14

Therefore,

• Circumference of the circle = 2πr

$\huge \leadsto \tt \: 2 \times 3.14 \times 30 \\ \\ \\ \huge \leadsto \tt2 \times \frac{314}{100} \times 30 \\ \\ \\ \huge \leadsto \tt2 \times \frac{314}{(2 \times 50)} \times 30 \\ \\ \\ \huge \leadsto \tt \cancel2 \times \frac{314}{( \cancel2 \times 5\cancel0)} \times 3\cancel0 \\ \\ \\ \huge \tt \leadsto \frac{314 \times 3}{5} \\ \\ \\ \huge \leadsto \sf \frac{942}{5} \: cm \\ \\ or \\ \\ \huge \leadsto \sf \red{188.4} \: \: cm$