Question

In a triangle one angle is 400 and other two angles are in the ratio 5:9 find angles of the triangle.

Answer 1

Answer:

Right angled

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.

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