Question

Find the area of a circular ring whose inner and outer radii are 22 cm and 13 cm. ​

Answer 1

Answer:

315 pie ^

Step-by-step explanation:

Area of circle = ^ r²

Let r1 be 22cm and r2 be 13 cm

A/c to question, A = ^ r1 ² - ^ r2 ²

A = 484^ - 169 ^

A = 315 ^ cm² answer.

Note - ^ refers to Pie

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