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Tanya [424]
2 years ago
7

Two angles in a triangle add up to 138 degrees what is the size of the 3rd angle

Mathematics
1 answer:
Semenov [28]2 years ago
4 0
The measurement of the second angle is 42°. All of the angles of a triangle add up to a total of 180°. If two angles add up to 138°. Then the last angle has to be 42° (180-138).
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