Find the answer of question 10
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5x + 4x = 180° ( Straight Angle)
9x = 180°
x = 20°
5x = 100°
4x = 80°
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Answer:
Angles on a straight line is 180 deg.
Angles= 5:4
5x+4x=180
9x=180
x=20 degrees
one angle is 100 degrees
another angle is 80 degrees
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