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Which relationship is always correct for the angles p, q, and r of triangle ABC? A) p + r = q B) p + q + r = 180 degrees C) p + q + r = 90 degrees D) q + r = p
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Which relationship is always correct for the angles p, q, and r of triangle ABC?

A) p + r = q
B) p + q + r = 180 degrees
C) p + q + r = 90 degrees
D) q + r = p

Which relationship is always correct for the angles p, q, and r of triangle ABC? A-example-1
User Mrida
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2 votes
The correct answer is "D".

q+r=p

Because the missing angle would equal 180-q-r, it would be the same as p. The one angle (the unmarked) is supplementary to the missing angle. (180 degrees)

I hope this helps!
~kaikers
User Lord Relix
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