How do you find the diameter of the sun, given angular diameter and distance?

Angular diameter is #1/2 degree#
and distance is #1.5 X 10^8 km#

1 Answer
A. S. Adikesavan
Jan 23, 2016

1309005 km for the values in the question.The formula used is diameter = 2XdistanceXtan (angular diameter/2)

Explanation:

The number of significant didits used decides the the precision in the answer. Only, 2-sd value 1..5E+08 and 1-sd 0.5 are used. Only first sd 1 in the answer is ok. But the second is doubted for correctness.

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