Answer:
k=21
Step-by-step explanation:
Find the slope of MN which is 1/5 (use the slope formula)
Use the slope formula for AB using k as y_2
Substitute and you get k=21
21-2.25/-2.25-1.5=-5
The lines are perpendicular because the slopes are the negative reciprocal of one another.
Answer:
Step-by-step explanation:
821
200
If angle a is 24ft and angle c is 30ft, then angle b is 126ft.
Answer:
500
Step-by-step explanation:
50 divided by 10 is 9