Question

EXERCISE 6.2
In Fig. 6.28, find the values of x and y and then
show that AB | CD.
50°
A
B
С
130°
Fig. 6.28​

Answer 1

Explanation:

50° + x = 180° (sum of angle in linear pair is 180° )

x = 180° -50°

x= 130°

y is vertical opposite angle of 130° so that

y = 130°

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