Question

IN AN ISOCELES TRIANGLE,THE BASE ANGLES ARE EQUAL. THE VERTEX ANGLE IS 40 DEGREE .WHAT ARE THE ANGLES OF TRIANGLE ?

Answer 1

The angles of triangle is 40°,40°,100°

Answer 2

Let the two equal angles be x

Now ,

x+x+40°=180°

=> 2x=180°-40°

=> x=140°/2

=> x= 70°

Hence the angles are 40°,70°and 70°

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