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inessss [21]
3 years ago
7

Two angels in a triangle add up two 115 degrees what is the size of the third angle

Mathematics
1 answer:
Bogdan [553]3 years ago
5 0
The internal angles in a triangle add up to 180
I think the question should say
'2 angles in a triangle add up to 115 degrees'
so therefor
x+y+z=180
2 angles are x+y
115+z=180
z=3rd angle

solve
115+z=180
subtract 115 from boths ides
z=65

answer is third angle=65 degrees
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