Question
For you to determine how much you' ve learned, please answer the questions
by choosing the letter of the best answer.
1. Which of the following statements is NOT TRUE?
A. An angle is formed by two noncollinear rays.
B. Two points determine an angle.
C. An angle is a union of two rays..
D. An angle can be a right angle if its measure is equal to 90°.
2. If two angles form a linear pair, then they are supplementary. What is the
Sum of the measures of these two angles?
A. 1800
B. 900
C. 500
D.
45
3. On the figures at the right, LYVA and LAVN are complementary angles.
mzYVA = 25, then what is the measure of mLRLA?
A. 2850
B. 105
7
C. 150
D. 50
Which of the following pairs of angles whose sunm of the measures is equa
to 180°?
4.
A. complementary angles
B. acute angles
C. obtuse angles
D. supplementary angles
5. Which of the following angles has measure greater than 90° but lesser thar
180°?
A. acute angle
B. obtuse angle
C. right angle
D. straight angle
6. If an angle measures 90, what kind of angle does it form?
A. acute angle
B. obtuse angle
C. right angle
D. straight angle
7. All of the following are measures of an acute angle EXCEPT:
A. 900
85
78
D. 5
B.
C.
8. Given the figure at the right, if mLABC = 120°, which of the following
Answer
1. B. Two points determine an angle.
2. A. 1800
3. B. 105°
4. D. Supplementary angles
5. B. Obtuse angle
6. C. Right angle
7. A. 900
8. C. mLBC = 60°