A triangle has angles measuring 15° and 45°. What is the measure of the triangles third angle

For this, we need to know the measure of all the angles in a triangle together: 90 degrees.
With this information, we can set up an equation: 90 = 15 + 45 + x
15+45 = 60
90-60 = 30
Therefore, your third angle is 30 degrees.

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gauravsingh23VT gauravsingh23VT · Answer 2 · 2022-08-20T13:24:14+02:00

30 degrees is the measure of third angle, as two of its measuring angle are 15° and 45°.

What is the angle of triangles?

Any triangle has internal angles that add up to 180°, regardless of the type. An isosceles triangle will have two equal-sized angles. An equilateral triangle's angles will all be 60 degrees. One of the angles in a right-angled triangle will be 90 degrees, making the sum of the other two angles also 90 degrees.

A triangle's angles always add up to 1800 degrees because one of its outside angles is equal to the sum of its other two angles. When added together, all of the angles should add up to 180 degrees. It stipulates that a triangle's three angles must all have measurements that add up to 180°. In other words, if we total all the measurements of all three angles in any triangle, the result should always equal 180 degrees.

Thus, it is 30 degree.

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