Question

class 9 maths ex 13.4 q7

Q. the diameter of the moon is approximately one fourth of the diameter of the earth. find the ratio of their surface areas​

Answer 1

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Answer 2

Answer:

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Here is your answer:

Step-by-step explanation:

earth diameter =R(say)=r

moon diameter=R/4=r

area= πr²

so,

πr² = πr²/16

therefore, the ratio of thier areas is

1 : 16