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27-11-2019
Mathematics

contestada

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.

Respuesta :

bbperic1236 bbperic1236

27-11-2019

Answer:

second choice

Step-by-step explanation:

Right angle has a 45 degree angle which is perpendicular.

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