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

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Answer 1 · 2018-03-28T10:07:42

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

Given : $ˆ C = ˆ A = \frac{π}{12}, c = 5$ $hat C = hat A = pi/12, c = 5$

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

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

A triangle has sides A, B, and C. The angle between sides A and B is π12pi/12. If side C has a length of 55 and the angle between sides B and C is π12pi/12, what is the length of side A?