Classifying Triangles by Sides (Ex. 3)

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1. Question 1

   Multiple choice

   A triangle with sides 10 cm, 10 cm, and 10 cm is ___.

2. Question 2

   Multiple choice

   Triangle PQR has sides 3 cm, 4 cm, and 5 cm. What type is it by sides?

3. Question 3

   Multiple choice

   Which triangle has exactly one line of symmetry?

4. Question 4

   Sequence

   An isosceles triangle has two sides of 9 cm and a base of 4 cm. Perimeter = 9 + 9 + ___ = 22 cm.

5. Question 5

   True or false

   Every equilateral triangle is also a type of isosceles triangle.

More exercises in this module

• Plotting Points on a Coordinate Grid (Ex. 2)

• Completing Symmetric Shapes (Ex. 2)

• Classifying Quadrilaterals (Ex. 2)

• Classifying Quadrilaterals (Ex. 1)

• Classifying Triangles by Sides (Ex. 1)

• Classifying Triangles by Angles (Ex. 1)