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Textbook Expert
Textbook ExpertVerified Tutor
8 Nov 2021

Given information

It is given that the distance between moon and earth is  

Step-by-step explanation

Step 1.

 

It is observe that the pencil has a diameter of about 0.7 cm. If held about 0.75 \mathrm{m} from the eye, it can just block out the Moon. The ratio of pencil diameter to arm length is the same as the ratio of Moon diameter to Moon distance.

 

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