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Triangle and Sum of Its Internal Angles

The sum of tw...

Question

The sum of two angles of a triangle is 80° and their difference is 20°. Find the angles of the triangle.

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Solution

Let the angles of the triangle be x, y and z.

Adding the two equations, we get:

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The sum of two angles of a triangle is $80^{\circ}$ and their difference is $20^{\circ}$ . Find all the angles. [4 MARKS]

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