Question
In ΔABC, PQ is parallel to BC If AP: PB= 2:5 and AQ= 2
cm, AC is equal to?Solution
As in ΔABC, PQ is parallel to BC then ΔAPQ is similiar to ΔABC, So by similarity, AP/AB = AQ/AC So 2/(2 + 5) = 2/AC or 2/7 = 2/AC or AC = 7 cm
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