Question

Can anybody help me with this?

Answer 1

angle(1)=angle(2),they lie on a straight line. implies sum is 180
and hence each of it is 90.
From vertically opposite angles are equal, you get all four are equal to 90.

Answer 2

you know that angle 7 is degrees and angle 6 is congruent by alternate exterior and angle 5 and 2 are congruent to 6 because of corresponding angles and then 3 is a vertical angle then 180 - 90 = 90 = angle 4 and 1

Answer 3

they need to tell you more information
like if these lines are parallel

Answer 4

that's true i just assumed i guess :/ @dan815

Answer 5

there is no more information:(

Answer 6

angle 1 , 2 = 6 so
if has to be parallel

Answer 7

it*

Answer 8

remember these 2 rules