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Hypotenuse-Leg (HL): Quick Exploration

Author:Tim Brzezinski
Below, we have two right triangles. Here, the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle.

Test to see if these two right triangles are congruent by trying to place one on top of the other. Note: LARGE POINTS and some segments are moveable.

Are the two triangles above congruent?

Select all that apply
  • A
  • B
Check my answer (3)

If you answered YES to the question above, which rigid transformations did you use to superimpose one triangle on top of the other?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

Show the 2 right triangles are congruent below. Reflect one triangle about the line if you need to. LARGE POINTS & some segments are MOVEABLE.

Are the two triangles above congruent?

Select all that apply
  • A
  • B
Check my answer (3)

If you answered YES to the question above, which rigid transformations did you use to superimpose one triangle on top of the other?

Select all that apply
  • A
  • B
  • C
Check my answer (3)

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