Mathematics

Mathematics

Problem

Lines

u

and

v

are parallel. A transversal

z

intersects

u

at

P

and

v

at

Q

. If

z

is perpendicular to

u

, and the interior angle to the right of

z

at

Q

measures

(5y - 35)^{\circ}

, find the value of

y

. a)

20

b)

22

c)

25

d)

18

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