Mathematics, 01.03.2020 00:26 icantspeakengles

Triangle DEF is congruent to right triangle GHI with a right angle at vertex H. If the slope of DE is –2, what must be true?

The slope of HI is.
The slope of EF is.
The slope of GH is –2.
The slope of DF is –2.

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Triangle DEF is congruent to right triangle GHI with a right angle at vertex H. If the slope of DE i...