Answer:

=B

Step-by-step explanation:

when you MULTIPLY the gradient it should give -1

2/5 divided by -5/2 is -1

Any choices?

7.6

1 ) Reflex AOB = 290°

2 ) x = 30°

2x = 2 × 30° = 60° and 3x = 3 × 30° = 90°

3 ) k = 48°

~ nightmare 5474~