ABCD is a parallelogram of area 162cm2. P is a point on AB such that AP:PB=1:2. Calculate the area of ΔAPD
20cm2
27cm2
24cm2
25cm2
A
25cm2
B
20cm2
C
27cm2
D
24cm2
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Solution
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If DB is the diagonal, Area of parallelogram 12ABCD= area ADB= area BDC Area ADB=12(162)=81 P is mid point of AB in the ratio 1:2(13+23)
Area APD =13× Area of ADB=13(81)=27 sq. cm
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