Math, asked by mdrashidrahbar, 11 months ago

answer please friend​

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Answered by rajnidahiya66
0

Step-by-step explanation:

d1/d2 =3/2

the area of circle is pia r²

r1/r2 =3/2

r1 =3 r2 =2

area of circle 1/ area of circle 2 = pia (3)²/pia (2)²

=9/4

9:4 is ratio of their areas

pia r =77

r =77/pia

area = pia r²

area= pia × (77)²/pia²

area=77×77×7/22

1886.5

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