Triangles And 3-Dimensional Figures

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Triangles And 3-dimensional Figures - Quiz

A quiz to test knowledge of 3-dimensional figures and to identify different types of triangles. A quiz for 7th grade mathematics.

Questions and Answers

1.

1. A polyhedron whose base is a polygon and whose faces are triangles that have a common vertex is a
- A.
  
  Cylinder
- B.
  
  Sphere
- C.
  
  Cone
- D.
  
  Pyramid
Correct Answer
D. Pyramid
2.

A simple closed surface that is bounded by two congruent circles that lie in parallel planes form a
- A.
  
  Cylinder
- B.
  
  Cone
- C.
  
  Pyramid
- D.
  
  Prism
Correct Answer
A. Cylinder
3.

A simple closed surface whose base is a simple closed surface and whose lateral surface slopes up to a vertex is a(n)
- A.
  
  Obtuse triangle
- B.
  
  Cone
- C.
  
  Cylinder
- D.
  
  Sphere
Correct Answer
B. Cone
4.

All polyhedra that have two parallel bases that are congruent polygons are called
- A.
  
  Apexes
- B.
  
  Acute triangles
- C.
  
  Prisms
- D.
  
  Cones
Correct Answer
C. Prisms
5.

The point formed when the lateral surface of a cone creates a vertex is also known as the apex.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True
6.

A triangle that contains an angle greater than 90 degrees is a(n)

Correct Answer
obtuse triangle
7.

A triangle that contains 3 angles that are each less than 90 degrees is a(n)

Correct Answer
acute triangle
8.

A triangle that contains 1 right angle (90 degree angle) is a(n)

Correct Answer
right triangle
9.

A triangle in which all 3 sides have different lengths (no 2 sides have the same length) is a(n)

Correct Answer
scalene triangle
10.

If a triangle's sides are all the same length, it is known as a(n)

Correct Answer
equilateral triangle

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

Current Version
Mar 20, 2022

Quiz Edited by
ProProfs Editorial Team
Mar 05, 2010

Quiz Created by
Chamilton

Triangles And 3-dimensional Figures

1. A polyhedron whose base is a polygon and whose faces are triangles that have a common vertex is a

A simple closed surface that is bounded by two congruent circles that lie in parallel planes form a

A simple closed surface whose base is a simple closed surface and whose lateral surface slopes up to a vertex is a(n)

All polyhedra that have two parallel bases that are congruent polygons are called

The point formed when the lateral surface of a cone creates a vertex is also known as the apex.

A triangle that contains an angle greater than 90 degrees is a(n)

A triangle that contains 3 angles that are each less than 90 degrees is a(n)

A triangle that contains 1 right angle (90 degree angle) is a(n)

A triangle in which all 3 sides have different lengths (no 2 sides have the same length) is a(n)

If a triangle's sides are all the same length, it is known as a(n)