Question

http://prntscr.com/nyii0m

Answer 1

@Vocaloid

Answer 2

@Tranquility

Answer 3

adjacent angles in a parallelogram add up to 180

so in your case you have the two adjacent angles (x+5) and (x+20), you can set

(x+5) + (x+20) = 180 and solve for x

Answer 4

b

Answer 5

yeah

Answer 6

http://prntscr.com/nyiz5h

Answer 7

what about this one ? @Vocaloid

Answer 8

opposite angles are congruent so you can set angle A = angle C and solve for x

Answer 9

10

Answer 10

yes

Answer 11

http://prntscr.com/nyj1jc

Answer 12

opposites sides of a parallelogram are equal

BC = AD solve for x

Answer 13

10

Answer 14

yes

Answer 15

and is this right?

http://prntscr.com/nyj2by

Answer 16

yeah

Answer 17

okay thanks voca