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Sergeu [11.5K]
3 years ago
6

How can you prove a triangle is a right triangle? (4 points) 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 paralle
Mathematics
1 answer:
Viktor [21]3 years ago
6 0

Let's see what the answer choices mean with respect to the requirement to prove a triangle is a right triangle.

a) two sides are congruent: the triangle is isosceles, but <em>not necessarily a right triangle.</em>

b) two sides are perpendicular: the triangle must be a right triangle.

c) three sides are congruent: the triangle is equilateral so is <em>definitely not a right triangle</em>.

d) sides are parallel: the figure <em>cannot be a triangle</em>.

___

The appropriate choice is the second one ...

... Use the slope formula to see if any sides are perpendicular.

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