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:
The verticle angles are AB and ED
Step-by-step explanation:
1 meter = 0.1 decameters
0.1 * 250 = 25
So she used 25 decameters of creme paper.