(Notimated as brainliest 25 points )
Triangle ABC has the following vertices:
A(1,9)
B(11,-7)
C(-9,3)
Is triangle ABC a right triangle, and why?
Choose 1 answer:
A) Yes, because AB I AC.

B) Yes, because of AB I BC.

C) No because AB is longer than AC.

D) No, because AABC doesn't have a pair of perpendicular sides

Question

10-10-2020
Mathematics

contestada

(Notimated as brainliest 25 points )
Triangle ABC has the following vertices:
A(1,9)
B(11,-7)
C(-9,3)
Is triangle ABC a right triangle, and why?
Choose 1 answer:
A) Yes, because AB I AC.

B) Yes, because of AB I BC.

C) No because AB is longer than AC.

D) No, because AABC doesn't have a pair of perpendicular sides

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foldybrain foldybrain · Answer 1 · 2020-10-10T06:24:22+02:00

Answer:

Triangle ABC is not a right triangle because d) it doesn't have a pair of perpendicular sides

Step-by-step explanation:

Perpendicular sides mean that the slopes are "opposite reciprocals" of each other.

Example: slope is 1/2 and the perpendicular line's slope is -2

How? 1/2 changes to 2 (you flip it, reciprocal), and then from 2 to -2 (apply opposite sign)

So when you calculate the slopes of AB, AC, and BC, none of their slopes are opposite reciprocals of each other. You can calculate the slopes of each and compare them if you want to check.

I really hope this helps, do you think you can tell me if you got the answer correct? I'd feel really bad if you got it wrong because of me. All I know is that it's not a right triangle.

tcd55335 tcd55335 · Answer 2 · 2021-03-16T14:58:39+01:00

tcd55335 tcd55335

16-03-2021

Answer:

You can just mark the other person as brainliest.

Step-by-step explanation:

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