Question

What is the ratio of sides of triangle with angles 30°,30°,120°?​

Answer 1

Answer:

1/2

The angles are 30, 30, 120. The sides are x, x, and y. The long side (opposite the 120 angle is y). Sin 30 = 1/2

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Answer 2

Answer:

The measures of the angles are 120°,30°, the triangle is an isosceles triangle.

If we take the lengths of the equal sides as x then the third side is √3.x.

So the perimeter is (2+√3)x

So the ratio between the largest side and the perimeter is √3 : (2+√3)

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