M.3

Is It a Right Triangle?

Q4 · Apr–Jun

Use the converse of the Pythagorean theorem to test three side lengths.

Level
Medium
Problems
Daniel Math Academy · Grade 8 Math

Is It a Right Triangle?

Skill M.3 · Pythagorean theorem · ★★☆ Medium · Quarter 4

Name
 
Date
 
Score/ 12

Can the three lengths be the sides of a right triangle? Write yes or no.

Example

, so yes

Think: Check whether the squares of the two shorter sides add up to the square of the longest side.

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Daniel Math Academy · danielmath.comWorksheet #37xaiee · Page 1 / 2
Daniel Math Academy · Grade 8 Math

Answer Key

M.3 Is It a Right Triangle? · ★★☆ Medium

  1. 1yes
  2. 2no
  3. 3yes
  4. 4yes
  5. 5yes
  6. 6no
  7. 7no
  8. 8no
  9. 9no
  10. 10no
  11. 11yes
  12. 12no
Daniel Math Academy · danielmath.comWorksheet #37xaiee · Answer Key · Page 2 / 2