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