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Question
Given that AB is a straight line. Calculate the value of x° in the following cases
Sum
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Solution
Since the angles are linear pair
∠AOC + ∠BOC = 180°
4x° + 2x° = 180°
6x° = 180°
x° = `180^circ/6`
x° = 30°
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Chapter 5: Geometry - Exercise 5.1 [Page 92]
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