# Use the HL theorem to show congruence of right triangles.

*label*Mathematics

*timer*Asked: Apr 8th, 2017

**Question description**

For what values of x and y are the triangles to the right congruent by HL? | A triangle has a vertical side of length x, a longer horizontal side, and a third side that falls from left to right with a length of x plus 4. A right angle is indicated at the intersection of the vertical and horizontal sides. A second triangle has a vertical side of length y plus 8, a longer horizontal side, and a third side that falls from left to right with a length of 4 y. A right angle is indicated at the intersection of the vertical and horizontal sides. xx x plus 4x+4 4 y4y y plus 8y+8 |

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