Equilateral & Isosceles Triangles Quiz

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| By Jenn Shannon
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Jenn Shannon
Community Contributor
Quizzes Created: 1 | Total Attempts: 499
| Attempts: 499
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  • 1/10 Questions

    What do you call a triangle whose sides are all equal?

    • Equilateral
    • Isosceles
    • Scalene
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About This Quiz

This quiz focuses on equilateral and isosceles triangles, assessing understanding of their definitions and properties. It tests the ability to solve for angles and sides, enhancing geometric reasoning and problem-solving skills.

Equilateral & Isosceles Triangles Quiz - Quiz

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  • 2. 

    Isoscele triangle is defined as

    • Two sides are equal

    • All sides are equal

    • No sides are equal

    Correct Answer
    A. Two sides are equal
    Explanation
    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.

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  • 3. 
    What is the measure of angle B? - ProProfs

    What is the measure of angle B?

    • 33°

    • 66°

    • 30°

    • 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°.

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  • 4. 
    What is x? - ProProfs

    What is x?

    • 42

    • 48

    • 142

    Correct Answer
    A. 42
  • 5. 
    What is y? - ProProfs

    What is y?

    • 160

    • 20

    • 80

    Correct Answer
    A. 80
  • 6. 
    What is x? - ProProfs

    What is x?

    • 35

    • 55

    • 125

    Correct Answer
    A. 55
  • 7. 
    What is x? - ProProfs

    What is x?

    • 20

    • 90

    • 30

    Correct Answer
    A. 30
  • 8. 

    What is the measurement of the base angles?

    Correct Answer
    70
    Explanation
    The measurement of the base angles in this question is 70.

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  • 9. 
    What is x? - ProProfs

    What is x?

    • 6

    • 1

    • 3

    • 5

    Correct Answer
    A. 1
  • 10. 
    What is the measure of angle A? - ProProfs

    What is the measure of angle A?

    • 80°

    • Not enough information

    • 20°

    • 60°

    Correct Answer
    A. 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°.

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Quiz Review Timeline (Updated): Apr 17, 2025 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Apr 17, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 20, 2017
    Quiz Created by
    Jenn Shannon
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