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Second Year maths · M.7 · Pythagorean theorem

Is it a right triangle? Converse of the Pythagorean theorem

Check whether a² + b² = c² for the longest side c. Write yes or no.

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  1. A triangle has sides of 50, 14 and 48. Is it a right triangle? Write yes or no.

    Answer: yes

  2. A triangle has sides of 28, 21 and 20. Is it a right triangle? Write yes or no.

    Answer: no

  3. A triangle has sides of 8, 6 and 9. Is it a right triangle? Write yes or no.

    Answer: no

Tip: Check whether a² + b² = c² for the longest side c. Write yes or no.

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