1.
The common endpoint of two rays is called a(n)
A.
angle
B.
vertex
C.
side
D.
degree
Hint
2.
Use a protractor to measure
.
A.
180
B.
65
C.
115
D.
100
Hint
3.
What type of angle is shown below?
A.
obtuse
B.
right
C.
acute
D.
straight
Hint
4.
A skateboarding ramp is constructed with an angle of elevation of 40°. Classify this angle.
A.
obtuse
B.
straight
C.
right
D.
acute
Hint
5.
A mirror reflected a ray of light 145°. Classify the angle of reflection.
A.
obtuse
B.
straight
C.
right
D.
acute
Hint