Question

if the angles of a triangle are in the ratio of 2 : 3 : 5 , then the largest angle of the triangle is

Answer 1

Let the angles be 2x, 3x and 5x respectively
2x+3x+5x=180 (Angle sum property)
10x=180
x=180÷10=18°
Largest angle=5x=18×5=90°
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Answer 2

Let the angle be x

Ist angle =2x
llnd angle =3x
Illrd angle =5x

ATQ,
2x+3x+5x =180°(angle sum property)
10x =180°
x =180/10
x =18°

Ist angle =2x =36°
llnd angle =3x=54°
Illrd angle =5x=90°


Thus,
Largest angle is 90°.


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