1.If the total measure of the entire angle is 75° and ∠1 measures 45°. What is the measure of ∠2
a.35°
b.30°
c.55°
d.50°

2.If an angle measures 18°. What is the measure of its complement?
a.18°
b.72°
c.22°
d.162°

3.____ are any two lines if and only if they intersect to form a right angle.
a.Parallel lines
b.Perpendicular lines
c.Intersecting lines
d.Intersecting lines

4.If an measures 18°. What is the measure of its conplementj
e.18°
f.72°
g.22°
h.162°

5.____ are any two lines if and only if they intersect to form a right angle.
e.Parallel lines
f.Perpendicular lines
g.Intersecting lines
h.Straight lines​