Math, asked by swatimanna2015, 4 months ago

please answer this question correctly.

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Answers

Answered by dverma040

0

Answer:

14cm

Step-by-step explanation:

π(21^2-r^2)=770

441-r^2=245

r=14cm

Answered by Ehsanul885

2

Answer:

Answer is 14cm.

Step-by-step explanation:

SOLUTION

=> π(21² - r²) = 770

=> 441 - r² = 245

=> r = 14cm

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