In the given figure, find x.
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Answer: x = 28
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Solution :
- Just use angle sum property ( A + B + C = 180°)
- Fill what is given
- Then solve it
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Measure of angles
- 5x-60 = 5 × 28 - 60 = 80°
- 2x+40 = 2 × 28 + 40 = 96°
- 3x-80 = 3 × 28 - 80 = 4°
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Verification:
- ( angle sum property)
A + B + C = 180°
80 + 96 + 4 = 180°
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