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Pythagorean Theorem Worksheet




Objective: I know how to use the Pythagorean theorem to determine whether a given triangle is a right triangle.


We can use the Pythagorean theorem to check whether a given triangle is a right triangle.


For a triangle with sides a, b and c and c is the longest side, if c2 = a2 + b2 then it is a right triangle.


Read the lesson on the Converse of the Pythagorean theorem for more information and examples.

 

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!
Which of the following could be the lengths of the sides of a right triangle? Fill in the answer “yes” or “no”.

8, 15, 17

7, 25, 26

9, 12, 15

24, 45, 51

24, 26, 10

9, 17, 14

0.15, 0.2, 0.25

75, 23, 71

0.8, 0.9, 1.2




Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


We hope that the free math worksheets have been helpful. We encourage parents and teachers to select the topics according to the needs of the child. For more difficult questions, the child may be encouraged to work out the problem on a piece of paper before entering the solution. We hope that the kids will also love the fun stuff and puzzles.

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