Question

the angles of a triangle are in ratio 1:2:3 .find the measure of all the angles of triangle

Answer 1

Let the no be 1x , 2x ,3x

1x+2x+3x=180
6x = 180
x= 180upon6
x= 30.

1 × 30 = 30
2 × 30 = 60
3 × 30 = 90

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Answer 2

Ratio of angles= 1:2:3
Let the missing angles be- 1x, 2x and 3x

As, sum of angles of Triangles is 180°
Therefore, equation formed will be-
1x + 2x + 3x = 180°
6x = 180°
$x = \frac{180}{6} \\ x = 30$

So, 1st angle- (1 × 30) = 30°
2nd angle- (2 × 30) = 60°
3rd angle- (3 × 30) = 90°