meeting
© ABC is a triangle and
PQ is a straight line
AB in P & Acin Do If Ap=10m & Bp=360
AQ=105cm, CQ = 405cm.
Prove that
Car of AAPQ) tolar of ABC)
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Given : In ΔABC, PQ is a line segment intersecting AB at P and AC at Q. AP = 1 cm , PB = 3cm, AQ= 1.5 cm and QC= 4.5cm.
In ∆APQ and ∆ABC,
∠A = ∠A [Common]
AP/AB = AQ/AC [Each equal to 1/4]
∆APQ ~ ∆ABC [By SAS similarity]
We know that the ratio of the two similar triangles is equal to the ratio of the squares of their corresponding sides
ar∆APQ /ar∆ABC = (AP/AB)²
ar∆APQ /ar∆ABC = ( ¼)²
ar∆APQ /ar∆ABC = 1/16
ar∆APQ = 1/16 × ar∆ABC
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