Question

Find the diameter of the circle whose area is equal to the sum of the areas of two circles of diameter 20 cm and 48 cm. ​

Answer 1

Answer:

HERE IS YOUR ANSWER.....

Step-by-step explanation:

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Answer 2

Answer:

52cm

Step-by-step explanation:

r=d÷2

d(1)=20

r=20÷2=10cm$\pi \: r {}^{2}$

area of 1 st circle =pi×10^(2)=100pi

d (2)=48cm

r=48÷2=24cm

area of 2nd circle =pi×24 ^(2)=576pi

sum of the area of 2 circles =576pi+100pi=676pi

so,area of big circle is 676pi

$\pi \times \sqrt{676 } = area \: of \: big \: circle \\ \\ \sqrt{676} = 26$

r=26

d=r×2

d=26×2=52cm

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