line N has slope m = 
given a line with slope m then the slope of a line perpendicular to it is
= - 
thus line N has slope -
= 
Since the angle
100
° is in the second quadrant, the reference angle formula is A
r
=
180
°
−
A
c. A
r
=
180
°
−
100
°
The reference angle is A
r
=
80
°
.
80
°
Answer:
D. (4,9)
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
If you follow the pattern, four boxes should use 21 toothpicks.
Answer: 32 Quilts and you will have 11 squares left over
Step-by-step explanation: