Here, CD = diameter of the Sun
AB = diameter of moon and
E = position of Earth
As Δs CDE and ABE are similar,
we have AB/CD = BE/DE or AB = BE/DE X CD
Here, BE = 3.8452 x 108 m,
DE = 1.496 x 1011 m
and CD = 13.92 x 108
Hence, AB = (3.8452 x 108 x 13.92 x 108/ 1.496 x 10-11)
= 3.58 x 103 km.