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Oksanka [162]
3 years ago
12

2

Mathematics
1 answer:
Slav-nsk [51]3 years ago
7 0

Answer:

area of P=πr^2

area of Q=πr^2/4=π×400/4=100π

acc to ques

A(q)=4× A(p)

100π=4×πr^2.

100=4r^2

r^2=25

radius of p= √25=5cm

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