Question

The angles of a triangle are in the ration 1:2:3 find the measure of each angle of the

triangle.​

Answer 1

$\frac{180}{1 + 2 + 3} = \frac{180}{6} = 30 \\ 1 \times 30 = 30 \\ \\ 2 \times 30 = 60 \\ \\ 3 \times 30 = 90$

Answer 2

let the angles = 1x , 2x , 3x

so ,

1x +2x+3x = 180

6x = 180

x = 180÷6

x = 30°

so ,

first angle = 1×30

= 30°

second angle = 2×30

= 60°

third angle = 3×30

= 90°

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