Question

The two angles of a triangle are in the ratio 2:3 if the sum of these two angles is 30° less than the third angle, find all the three angles of the triangle. ​

Answer 1

Answer:let angle A be 2x

angle B be 3x

then it is given that angle C =angleA+angleB

2x+3x

=5x

now we know that sum of all angles of traingle is 180

angleA+angleB+angleC=180

2x+3x+5x=180

10x=180

x=180/10

x=18

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