Question

in a triangle one angle is 70 degree and other two angles are in ratio 2:3 find other two angles​

Answer 1

As, we know that sum of all angles of triangle is 180°

Let, angles be 2x and 3x.

70 + 2x + 3x = 180

=> 70 + 5x = 180

=> 5x = 180 - 70

=> 5x = 110

=> x = 110/5 = 22

Hence, angles are 70° , 44° and 66°.

Answer 2

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Sum of all angles in a triangle is 180°

Given,

One angle = 70°

Let the other two angles be 2x and 3x.

2x + 3x + 70° = 180°

5x + 70° = 180°

5x = 180° - 70°

5x = 110°

x = 110/5

x = 22°

One angle = 70°

Other two angles are,

2x = 22×2 = 44°

3x = 3×22 = 66°