Math, asked by ShivT4149, 1 year ago

The area of a certain circular disc is 1386 cm square .Find its radiu in very short answer s

Answers

Answered by shailesh1911

0

The radius of disc is 21 cm

Answered by richa311

1

Area of circle = πr² = 1386 cm²
πr² = 1386

22/7 x r² = 1386

2/7 x r² = 126

r²/7 = 63

r² = 441

r = 21 cm

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