Answer:
L is perpendicular to N
Step-by-step explanation:
M is perpendicular to N
L ll M
We can replace M with L since they are parallel
L is perpendicular to N
Answer:
It isn't necessary but having a positive coefficient for 
makes things like completing the square and factoring easier.
Answer:
60 degrees
Step-by-step explanation:
the triangle is an equilateral triangle
sum of angle in a triangle is 180
therefore,
x + x + x = 180
3x = 180
divide both sides by 3
x = 60 degrees
Answer:
A. 1200
Step-by-step explanation:
Since 10 times 3 is 30, then 400 times 3 is 1200. Hope I helped!
