The measurement of one angle of a right triangle is 42°. what is the measurement of the missing angle?

All triangles have 3 angles that add up to 180 degrees.
All right angle triangles have a 90 degree angle.
You have two angles, 90 and 42.
To find the last one, add 90 and 42. Then subtract that from 180 degrees.

90+42=132
180-132=48

        Therefore, the missing angle is 48 degrees.

40%=2/550=1/230=3/1056=14/25

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