Question

answer the 11th question​

Answer 1

HEY MATE

a square of side = 21

1 circle [ 4 quadrat]  = r = 21/2

AREA OF SHADED REGION IS -

area of SQUARE - area of circle

     s²  -    πr²

    [21]²  -  [22/7 ][21/2]²

    441   - [22/7 ] [441/4]

    441 -  9702/ 28

    441 -346.5

   =94.5cm²

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