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Classifying Triangles: Types Based on Sides and Angles
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Amelia Wright
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of triangle has all three sides of equal length?
Acute Triangle
Scalene Triangle
Equilateral Triangle
Isosceles Triangle
Tags
CCSS.4.G.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is true for an equilateral triangle?
It has one 90-degree angle
It has two equal sides
All sides are of equal length
It has one angle greater than 90 degrees
Tags
CCSS.4.G.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle has two sides of equal length?
Right Triangle
Isosceles Triangle
Scalene Triangle
Equilateral Triangle
Tags
CCSS.4.G.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Can an isosceles triangle also be a right triangle?
Yes, if it has a 90-degree angle
Yes, if all sides are equal
No, it cannot
No, only if it has an obtuse angle
Tags
CCSS.4.G.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What defines a scalene triangle?
Two equal sides
All angles less than 90 degrees
All sides are different lengths
One angle is 90 degrees
Tags
CCSS.4.G.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle is defined by having no equal sides?
Equilateral Triangle
Isosceles Triangle
Scalene Triangle
Acute Triangle
Tags
CCSS.4.G.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which triangle has all interior angles less than 90 degrees?
Acute Triangle
Scalene Triangle
Right Triangle
Obtuse Triangle
Tags
CCSS.4.G.A.2
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