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Question

If the angles of a triangle are in the ratio 2 : 3 : 4, determine all the angles of the triangle. [2 MARKS]

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Solution

Concept: 1 Mark
Application: 1 Mark

Let the angles of the triangle be 2x,3x and 4x .Then,

2x+3x+4x=180

9x=180

x=20

Therefore,

2x=2×20=40

3x=3×20=60

4x=4×20=80

Hence, the angles of the triangle are 40,60 and 80.


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