Question

@Michele_Laino

Answer 1

a), b) and c): are always congruent
d) not congruent but supplementary angles.

Answer 2

sorry, how are defined vertical angles?

Answer 3

and, please how are defined linear pair?

Answer 4

are these a linear pair?

Answer 5

no

Answer 6

please, can you draw a linear pair, and two vertical angles?

Answer 7

@Michele_Laino

Answer 8

like that?

Answer 9

AVB and DVC are congruent angles,
AVB and BVC are supplementary angles

Answer 10

and this is for?

Answer 11

I think vertical angles

Answer 12

and linear pair (second statement)

Answer 13

ok so for e)?

Answer 14

I thin that:
AVB and DVC are congruent angles, for e)
and:
AVB and BVC are supplementary angles for f)

Answer 15

ok and what about d) @Michele_Laino

Answer 16

please, note that I wrote it above:
d) d) not congruent but supplementary angles.