Question

60°
X
x
60°
x = [ ? ]
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Answer 1

Answer: 30

Explanation:

Since there are two angles that measure
`60^(\circ)`, the triangle is equilateral. This means that the angle bisector of the third angle is an altitude, and thus we have two right triangles with acute angles
`60^(\circ)` and
`x`. It follows that x=30.