Equilateral & Isosceles Triangles Quiz

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| By Jenn Shannon

Jenn Shannon

Community Contributor

Quizzes Created: 1 | Total Attempts: 493

| Attempts: 493

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1/10 Questions

What do you call a triangle whose sides are all equal?
- Equilateral
- Isosceles
- Scalene

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

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 y?
- 160
- 20
- 80
Correct Answer

A. 80
4.

What is x?
- 35
- 55
- 125
Correct Answer

A. 55
5.

What is x?
- 42
- 48
- 142
Correct Answer

A. 42
6.

What is x?
- 20
- 90
- 30
Correct Answer

A. 30
7.

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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8.

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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9.

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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10.

What is x?
- 6
- 1
- 3
- 5
Correct Answer

A. 1