# Converse Pythagorean Theorem - Types of Triangles Worksheets

Objective: I know how to determine the types of triangles using Pythagoras' Theorem.

Check out The Converse of the Pythagorean Theorem if you need more information.

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Use Pythagoras’ Theorem to determine whether the following triangles are acute-angled, obtuse-angled, or right-angled.
a. Triangle of sides: 6 cm, 8 cm and 11 cm
The triangle is

b. Triangle of sides: 6 cm, 8 cm, 10 cm
The triangle is

c. Triangle of sides: 4 cm, 5 cm, 6 cm
The triangle is

d. Triangle of sides: 0.2 cm, 0.4 cm, 0.8 cm
The triangle is

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