4th Grade – Unit 10 Measuring Angles
Day 8
1. Angle b and angle a are complementary angles.
b
a 55˚
If angle A equals 55˚, what is the measurement of angle b?
A.
B.
C.
D.
125˚
35˚
45˚
145˚
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4th Grade – Unit 10 Measuring Angles
Day 8
2. Look at the diagram below.
Which of the following statements is true?
A.
B.
C.
D.
∠BAE = 0˚
∠BAC = 75˚
∠CAE = 70˚
∠DAE = 35˚
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4th Grade – Unit 10 Measuring Angles
Day 8
3. Which of the following statements about angles is TRUE?
A. If Angle W equals 45˚ and Angle S equals 45˚, then they are
supplementary angles.
B. If Angle W equals 45˚ and Angle S equals 45˚, then they are
complimentary angles.
C. If Angle W equals 90˚ and Angle S equals 45˚, then they are
supplementary angles.
D. If Angle W equals 90˚ and Angle S equals 90˚, then they are
complimentary angles.
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4th Grade – Unit 10 Measuring Angles
Day 8
4. Look the at the model below
P
H
W
Z
Which two sets of angles are complementary?
A. Angle
B. Angle
C. Angle
D. Angle
W and Angle H
H and Angle Z
P and Angle H
P and Angle Z
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4th Grade – Unit 10 Measuring Angles
Day 8
5. What is the measure of ∠CAE to the nearest degree?
A.
B.
C.
D.
∠CAE = 50 ˚
∠CAE = 130˚
∠CAE = 80 ˚
∠CAE = 180 ˚
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4th Grade – Unit 10 Measuring Angles
Day 8
6. Which of the following statements in NOT correct?
A. Two angles that add up to 90˚ are called complimentary angles
B. An obtuse angle measures from 91˚ to 179˚
C. Two angles that add up to 90˚ are called supplementary angles
D. An acute angle measures from 1˚ to 90˚
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4th Grade – Unit 10 Measuring Angles
Day 8
7. Look at the diagram.
Which angle has a measurement of 35˚?
A. ∠CAE
C. ∠CAD
B. ∠BAD
D. ∠DAE
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4th Grade – Unit 10 Measuring Angles
Day 8
8. Angle K and J are supplementary angles
K
J
If angle K measures 132˚, what is the measurement of the supplemental
angle?
A.
B.
C.
D.
J = 48˚
J = 42˚
J = 312˚
J = 180˚
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4th Grade – Unit 10 Measuring Angles
Day 8
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