Question

EXERCISE 6.2
In Fig. 6.28, find the values of x and y and then
show that AB II CD.
1.
50°
A
B
X
D
C С
130
Fig. 6.28​

Answer 1

Step-by-step explanation:

here is the explanation

50+ X=180° (linear pair)

X= 180° - 50°

X =130°

y=130°(vertically opposite angles are equal)

=> X=Y and X,Y are alternate interior angles

=> AB || CD