Question

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

Answer 1

Let's denote the smallest angle as X degrees.  Then the other two angles are 2X and 3X.

 

X + 2X + 3X = 180

6X = 180

X = 30

 

It is a 30, 60, 90 triangle.

Answer 2

Your Answer :-

Let the angles of the triangle be x , 2x and 3x .

then ,

We know that sum of all angles of triangle is 180 .

so ,

x + 2x + 3x = 180.

6x = 180

x = 30 .

2x = 60.

x = 90.

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