Question

The first angle of a triangle is 30 degrees more than the second angle. The third angle is double the first angle. Find the three angles measures.

Answer 1

Answer:

22.5 degrees

Step-by-step explanation:

First angle = n

Second angle = x

Third angle = m

n = 30 + x

m = 2(30 + x) = 60 + 2x

60 + 2x + 30 + x + x = 4x + 90 = 180

4x = 90

x = 22.5

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