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Math · Age 9 · Geometry

Classifying Triangles by Sides (Ex. 2)

Use side lengths to identify and classify triangles.

Module

Geometry

Age

Age 9

Duration

8 min

Questions

5

What's in this exercise

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  1. Question 1

    Multiple choice

    Triangle ABC has sides AB = 8 cm, BC = 8 cm, CA = 5 cm. What type of triangle is it?

  2. Question 2

    Multiple choice

    An equilateral triangle has a perimeter of 24 cm. How long is each side?

  3. Question 3

    Multiple choice

    Which type of triangle has NO equal sides?

  4. Question 4

    Sequence

    An isosceles triangle has two sides of 5 cm each and a base of 4 cm. Perimeter = 5 + 5 + ___ cm.

  5. Question 5

    True or false

    An isosceles triangle always has at least two equal sides.

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