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Hitman42 [59]
3 years ago
6

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

History
2 answers:
STatiana [176]3 years ago
6 0
Every angle equal 180 . Therefore, 15+45=60. 180-60= 120. Your answer would be 120.
butalik [34]3 years ago
4 0
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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