Question

In figure 6.28, find the values of x and y and then show that AB||CD​

Answer 1

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Answer 2

Answer:

x = 130°

y = 130°

Step-by-step explanation:

x+50° = 180° [linear pair]

x = 180-50

x = 130°

y = 130° [vertically opposite angles]

angle x = angle y

130° = 130°

Also They Are Alternate Interior Angles

So, according to Theorem 6.3 ; AB||CD