Question

The measures of the angles of a triangle are in the ratio of 1 : 3 : 8. Knowing that the sum of measures of angles in a triangle is 180°, find the measure of the largest angle. Write your answer without degree unit.

Answer 1

Answer:

Angles are in the ratio

=

1:

2:

3

Let the angles be

x,2x,3x

Sum of angles

=

180

x+

2x+

3x=

180

6x=

180

x=

30

∘

Hence, the angles are 30

∘

,60

∘

,90

∘

The triangle is a right angled triangle.

Step-by-step explanation:

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