Question

Find the measure of an unknown angle in right angle triangle in

which 57 ° asone of the angle.​

Answer 1

Answer:

In a right angle ∆ one of the angle is 90°

one of the angle given is 57°

So the unknown angle= 180-(90+57)

180-147=33°

Answer 2

Answer:

In a right angle triangle total sum of angles = 180

if 57 is first angle so the another angle should be 90 as it is a right angle triangle

let the third angle be x

therefore, 180 = 57 + 90 + x

180 = 147 + x

180 - 147 = x

33 = x

therefore the third angle is 33°

Step-by-step explanation:

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