Which interior angle measurements construct an acute triangle? 1. 71°, 32°, 77°
2. 54°, 67°, 89°
3. 103°, 66°, 11°
4. 12°, 27°, 57°

answer: list the statements and i will follow up!

step-by-step explanation:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6

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6: 4= 3/2

18: 8= 9/4

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