Equilateral & Isosceles Triangles Quiz
Equilateral & isosceles triangles
- 1.
What do you call a triangle whose sides are all equal?
- A.
Equilateral
- B.
Isosceles
- C.
Scalene
Correct Answer
A. EquilateralExplanation
An equilateral triangle is a triangle that has all three sides of equal length. This means that all angles in the triangle are also equal, measuring 60 degrees each. In contrast, an isosceles triangle has two sides of equal length, while a scalene triangle has no sides of equal length. Therefore, the correct answer is equilateral.Rate this question:
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- 2.
Isoscele triangle is defined as
- A.
Two sides are equal
- B.
All sides are equal
- C.
No sides are equal
Correct Answer
A. Two sides are equalExplanation
An isosceles triangle is defined as having two sides that are equal in length. This means that out of the three sides of the triangle, two of them have the same length. This is the defining characteristic of an isosceles triangle.Rate this question:
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- 3.
What is y?
- A.
160
- B.
20
- C.
80
Correct Answer
C. 80 -
- 4.
What is x?
- A.
35
- B.
55
- C.
125
Correct Answer
B. 55 -
- 5.
What is x?
- A.
42
- B.
48
- C.
142
Correct Answer
A. 42 -
- 6.
What is x?
- A.
20
- B.
90
- C.
30
Correct Answer
C. 30 -
- 7.
What is the measurement of the base angles?
Correct Answer
70Explanation
The measurement of the base angles in this question is 70.Rate this question:
- 8.
What is the measure of angle A?
- A.
80°
- B.
Not enough information
- C.
20°
- D.
60°
Correct Answer
D. 60°Explanation
The measure of angle A is 60° because it is the only option provided that is a possible angle measurement. The other options, 80°, 20°, and "Not enough information," are not valid answers because they are not supported by any given information or context. Therefore, the only logical choice is 60°.Rate this question:
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- 9.
What is the measure of angle B?
- A.
33°
- B.
66°
- C.
30°
- D.
60°
Correct Answer
A. 33°Explanation
The measure of angle B is 33° because it is the only option provided that is less than 90°.Rate this question:
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- 10.
What is x?
- A.
6
- B.
1
- C.
3
- D.
5
Correct Answer
B. 1 -
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Current Version
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Aug 08, 2024Quiz Edited by
ProProfs Editorial Team -
Nov 20, 2017Quiz Created by
Jenn Shannon
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