alleryOne angle of a right triangle is 35 degrees. What is the third angle?
A65 degrees
B125 degrees
C55 degrees
D45 degrees
Answer & Solution
Correct answer: C. 55 degrees
1. A right triangle has one angle of 90 degrees.
2. The three angles add up to 180 degrees.
3. Third angle = 180 - 90 - 35 = 55 degrees.
4. The two acute angles of a right triangle always add up to 90 degrees.
_Source: Wikipedia, Triangle (CC BY-SA 4.0), Triangle_
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