Respuesta :

rhylieahough

Answer:

a. 75

b. 6

c. 55

d. 50

Step-by-step explanation:

for b. XY = QR

for c. <X = <Q

for d. <S = <Z

for a. <R = <Y ...  we know <s Q and S are 55 and 50. The triangle sum has to = 180. So 50+55=105 180-105=75  so <R = 75

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