(a) Prove that when two lines intersect, the vertically opposite angle – InterviewSolution

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(a) Prove that when two lines intersect, the vertically opposite angles are equal. [3 MARKS] (b) Find the value of X in the given figure:

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(a) Prove that when two lines intersect, the vertically opposite angles are equal. [3 MARKS]
(b) Find the value of X in the given figure:

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