Question

The three angles of a triangle add up to 180°. In a particular triangle the angles are in the ratio 1: 2: 3,what are the sizes of the three angles?

Answer 1

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Answer 2

Let all the ratio unknown angles be 'x'

So, according to the question,

1x+2x+3x=180°

6x=180 degree

x=180÷6

x=30 degree

So,Measure of first angle is 30°

Second angle=30x2

=60 degree

Now,

Measure of the third angle 30×3

=90°

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