Perform an activity to verify experimentally that if two lines intersect, then
(i)the vertically opposite angles are equal
(ii)the sum of adjacent angles is 180 degree
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Step-by-step explanation: Find the sum of two adjacent angles such that ∠AOD + ∠AOC which is equal to 180°. Now, we obtain the sum of all the four angles formed at the point 0 and it is equal to 360°. the vertically opposite angles are equal.18-Aug-2020
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