Question

if the angles of a triangle are in the ratio 1:2:1, find all the angles of the triangle . Classify the triangle in two diffrent ways​

Answer 1

Let the angles be x, 2x and x

x+2x+×=180°(angle sum property)

4x=180

×=180/4

×=45

1st angle=x=45°

2nd angle=2x=2×45=90°

3rd angle=x=45°

This triangle can be labelled as a right angled isoceles triangle.

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