Question

Fill in the blank with the letter of the word that completes the sentence.

 

A. congruent

B. rays

C. right

D. degrees

E. three

F. endpoint

G. arcs

H. vertex

I. segments

J. ruler

K. 360º

L. obtuse

M. protractor

N. lines

O. 180º

P. acute

 

1. The sides of an angle are _____. 

 

2. When using three letters to name an angle, the middle letter represents the ____. 

 

3. A(n) _____ is a tool used to measure angles. 

 

4. Angles are measured in units of _____. 

 

5. There are _____ methods for naming angles.