Question

If the distance of sun from earth is 1.496×10^11. Also the angle made at earth is 1920". Find diameter of earth.

Answer 1

Answer:

We know that 1

′′

=(

3600

1

)×

180

π

rad

Angular diameter θ=1920

′′

=1920×

3600×180

π

rad=0.0093 rad

Diameter d=θ r=0.0093×1.496×10

11

m=1.39×10

9

m

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