Answer:
19. b) 54
20. c) 68
Explanation:
19. 1/2 WY = 27 => WY = 2 x 27 = 54
XZ = WY = 54
20. △PTS is an isosceles triangle so ∠SPT = 180 - 2(34) = 112
∠1 = 180 - ∠SPT = 180 - 112 = 68
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