Question

given that two angle supplementary angle are in ratio of 2.: 3 find the angle

Answer 1

Let the first angle be 2a
Second angle = 3a

3a + 2a = 180
=> 5a = 180
=> a = 36°

First angle = 72°
Second angle = 108°

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Answer 2

2x+3x=180
5x=180
x=180÷5
x=36
2(36)=72
3(36)=108