who know maths answer this question I will follow and thank your answer
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Answer:
a) 70
b)12
Step-by-step explanation:
a) A+B+C= 180 by ASP
so 50+60+A= 180
110+A=180
A=180-110= 70
b) triangles PQR and ABC have the same ratios so, their measures will be like
PQ=AC*x
x= PR/BC=3
PQ= AC*3= 4*3= 12
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