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1.Which characteristics will prove that ΔDEF is a right, isosceles triangle?


segment DE is larger than segment EF, and their slopes are the same.

segment DE is larger than segment EF, and their slopes are opposite reciprocals.

The lengths of segment DE and segment EF are congruent, and their slopes are the same.

The lengths of segment DE and segment EF are congruent, and their slopes are opposite reciprocals


2.

How can you prove a triangle is an equilateral 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 :

mannyparavalos0411

Answer:

for question number 2 the answer is c

Step-by-step explanation:

an equilateral triangle's side must all equal the same number.

In the right isosceles triangle DEF, the length of the segment DE and segment EF is the same and the slope of the segments DE and EF are opposite reciprocals and this can be determined by using the properties of an isosceles right triangle

Given :

Triangle DEF.

The properties of an isosceles right triangle are:

  • The angle between the two is 90 degrees.
  • The length of perpendicular sides is equal.
  • The slopes of both the perpendicular lines are opposite reciprocals.

So, in the right isosceles triangle DEF, the length of the segment DE and segment EF is the same and the slope of the segments DE and EF are opposite reciprocals.

For more information, refer to the link given below:

https://brainly.com/question/10147636

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