How can you prove a triangle is a right triangle?
Use the distance formula to see if at least two sides are congruent.
Use the slope formula to see if any sides are perpendicular.
Use the distance formula to see if all three sides are congruent.
Use the slope formula to see if any sides are parallel.

Question

How can you prove a triangle is a right triangle?
Use the distance formula to see if at least two sides are congruent.
Use the slope formula to see if any sides are perpendicular.
Use the distance formula to see if all three sides are congruent.
Use the slope formula to see if any sides are parallel.

sammixboo · Answer

If the three sides were congruent, it would be an equilateral triangle, so C isn't your answer

anonymous · Answer

well no side are goin to be parallel lol ;)

anonymous · Answer

I got it thanks its b