Question

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Book Back answer is:

a.) x = 108 ° , y = 72 °

b.) x = 35 ° , y = 118°

c.) x = 58° , y = 60 °
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Answer 1

Answer:

a.) x = 108 ° , y = 72 °

b.) x = 35 ° , y = 118°

Step-by-step explanation:

Question a):

Line AB is parallel to CD

and EF is a transversal

y = 72° ( Alternate interior angle)

CD is a straight line. so,

∠x + ∠y = 180°

∠x + 72 = 180°

∠x = 180 - 72

∠x = 108°

Question b):

Line AB is parallel to CD

and EF is a transversal

∠x = 35° ( Alternate interior angle)

y = 118° ( first, we found the alternate interior angle of 62, then we used straight angle property, that is 62 + y = 180 and then found the value of y)

I am not sure about the Question c).