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Grade 8 Algebra: The Converse: Is It a Right Triangle?

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Level 3

Decimals and square roots

  1. 1. Is this a right triangle:
    1.5, 2, 2.51.5, \ 2, \ 2.5
    1.51.5222.52.5
  2. 2. Is this a right triangle:
    2, 3, 5\sqrt{2}, \ \sqrt{3}, \ \sqrt{5}
    2\sqrt{2}3\sqrt{3}5\sqrt{5}
  3. 3. Is this a right triangle:
    0.9, 1.2, 1.60.9, \ 1.2, \ 1.6
    0.90.91.21.21.61.6
  4. 4. Is this a right triangle:
    1, 3, 21, \ \sqrt{3}, \ 2
    113\sqrt{3}22
  5. 5. Is this a right triangle:
    11, 5, 6\sqrt{11}, \ 5, \ 6
    11\sqrt{11}5566
  6. 6. Is this a right triangle:
    2, 5, 32, \ \sqrt{5}, \ 3
    225\sqrt{5}33
  7. 7. Is this a right triangle:
    0.5, 1.2, 1.40.5, \ 1.2, \ 1.4
    0.50.51.21.21.41.4
  8. 8. Is this a right triangle:
    3, 3, 183, \ 3, \ \sqrt{18}
    333318\sqrt{18}