Question

Ratio of three angles of a triangle is 1 : 2 : 3 . Find the angles.​

Answer 1

Answer:

1x+2x+3x=180 ( sum of triangle is 180)

6x=180

x=180/6

x=30

1x=30

2x=30x2=60

3x=30x3=90

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Answer 2

Answer:

let the angle of ∆ be a, b, c in ratio 1:2:3

so finding each angle

angle a = 1/6×180 ( angle of triangle is 180°)

angle a= 1×30

angle a = 30°

angle b = 2/6×180°

angle b = 2× 30°

angle b = 60°

angle c = 3/6× 180°

angle c = 3× 30°

angle c = 90°

to check our answer we will add angle a, and c

and if the answer comes 108° then our angles are correct

a+b+c =180° ( angle sum property of triangle)

30° + 60° + 90°= 180°

180° = 180° science the sum for angles is 180° therefore our all the angles are correct