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Sladkaya [172]
3 years ago
11

A triangle has angles measuring 15° and 45°. What is the measurement of the triangle’s third angle?

Mathematics
2 answers:
nexus9112 [7]3 years ago
6 0
First you need to know that the internal angles of a triangle always equals 180°. Therefore:

15+45= 90°

Then since the angles should equal 180, you do:

180-90=90

So the missing angle equals 90°
lara31 [8.8K]3 years ago
6 0

Answer:

120 degrees

Step-by-step explanation:

180-15-45=120

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