A triangle has sides A, B, and C. The angle between sides A and B is $pi/12$ . If side C has a length of $5$ and the angle between sides B and C is $pi/12$ , what is the length of side A?

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Answer 1 · 2018-03-28T10:07:42

$color(brown)("side " a = " side " c = 5$

Given : $hat C = hat A = pi/12, c = 5$

It's an isosceles triangle with angles A & C equal and hence sides a, c also equal.

Hence $color(brown)("side " a = " side " c = 5$

A triangle has sides A, B, and C. The angle between sides A and B is pi/12pi/12. If side C has a length of 5 5 and the angle between sides B and C is pi/12pi/12, what is the length of side A?