3 years ago

Need help with this. A B C D

Mathematics

1 answer:

patriot [66]3 years ago

8 0

Answer:

yes, it is a right triangle and ∡Q is the right angle

Step-by-step explanation:

if the slope of QR is the opposite reciprocal of QS then the two segments are perpendicular and form a 90° angle

slope of QR: -3 - (-1) ÷ 2 - 0 = -2 ÷ 2 = -1

slope of QS: -3 - (-1) ÷ 2 - 4 = -2 ÷ -2 = 1

-1 and 1 are opposite and reciprocal so m∡Q = 90°

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