Triangle Angles And Measurements
This quiz will test your skills in identifying angle measurements.
It will also determine your knowledge of various triangles and their characteristics.
- 1.
What type of triangle is this?
- A.
Equilateral
- B.
Scalene
- C.
Isosceles
Correct Answer
B. ScaleneExplanation
This triangle is an scalene triangle because it has unequal sides.Rate this question:
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- 2.
What type of triangle is this?
- A.
Right
- B.
Acute
- C.
Obtuse
Correct Answer
B. AcuteExplanation
This triangle is an acute triangle because all of its angles are less than 90 degrees.Rate this question:
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- 3.
A triangle has angle measurements of 60°, 60°, and 60°. What kind of triangle is it?
- A.
Obtuse
- B.
Right
- C.
Acute
- D.
Isosceles
Correct Answer
C. AcuteExplanation
Acute triangles have only acute angles (angles less than 90 degrees)Rate this question:
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- 4.
What kind of triangle is this?
- A.
Right
- B.
Obtuse
- C.
Isosceles
Correct Answer
A. RightExplanation
A right triangle has one right angle (90 degrees)Rate this question:
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- 5.
A triangle has angle measurements of 3°, 162°, and 15°. What kind of triangle is it?
- A.
Acute
- B.
Right
- C.
Obtuse
Correct Answer
C. ObtuseExplanation
Obtuse triangles have one angle greater than 90 degrees
(obtuse angle)Rate this question:
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- 6.
A triangle has angle measurements of 48°, 32°, and 100°. What kind of triangle is it?
- A.
Scalene
- B.
Equilateral
- C.
Isosceles
Correct Answer
A. ScaleneExplanation
Scalene triangles have no congruent sidesRate this question:
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- 7.
Each of a triangle's sides measures 8 yards. What kind of triangle is it?
- A.
Isosceles
- B.
Scalene
- C.
Equilateral
Correct Answer
C. EquilateralExplanation
An Equilateral Triangle has three congruent sides (it also has three congruent angles)Rate this question:
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- 8.
Two of the angles of the Astros Pennant are 74 degrees, what is the measure of the small angle?
- A.
25
- B.
15
- C.
32
Correct Answer
C. 32Explanation
all three angles of a triangle add up to 180 degrees. 180-74-74= 32Rate this question:
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- 9.
A triangular shaped garden has one angle measuring 12 degrees and two angles measuring 84 degrees What kind of triangle is it?
- A.
Right
- B.
Obtuse
- C.
Isosceles
Correct Answer
C. IsoscelesExplanation
An isosceles triangle has at least two congruent sides (also has two congruent base angles)Rate this question:
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- 10.
Approximately how many degrees is the angle XYZ being measured by the protractor?
- A.
120
- B.
60
- C.
85
Correct Answer
B. 60Explanation
This is an acute angle, therefore you use the smaller scale on the protractor. The Angle is approximately 60 degrees.Rate this question:
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- 11.
You have determined after using a protractor that one of the angles of the following triangle is 90 degrees, and one angle is 45 degrees. What is the measurement of the missing angle?
- A.
90
- B.
45
- C.
225
Correct Answer
B. 45Explanation
Using the formula for triangles, Subtract the known angles from 180 180-90-45= 45Rate this question:
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.webp "Two of the angles of the Astros Pennant are 74 degrees, what is the measure of the small angle?")
.webp "Approximately how many degrees is the angle XYZ being measured by the protractor?")
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Current Version
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Aug 08, 2024Quiz Edited by
ProProfs Editorial Team -
Apr 26, 2010Quiz Created by
Bishops