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HL Postulate Exploration

Directions

You can move the points around. The segments on the right will always maintain that AB = DE and side across from the right angles will always be equal to maintain HL congruence between the triangles. Try to make a triangle. If the triangle you make is green, then the triangles are congruent. If it is red then they are not. Can you find a pair of non-congruent triangles?

HL Postulate Exploration

Complete the following:

What type of triangles are both figures?

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

What else do you know about this type of triangle? Why do you think the HL congruency theorem works for this type of triangle?