lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4. Find the area of trapezium ABCD. Ans 140/3

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lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4. Find the area of trapezium ABCD. Ans>> 140/3

Jee · Answer

Is this question so tough to answer? Its been 5 days its my doubt also...

Prashmitha · Answer

triangle abp and triangle cdp are similar, if ap=2x,bp=2y then cp=5x,dp=5y .: area of ABCD =(49xy)/2 tan alpha=2x/5y,tan beta=2y/2x also alpha+beta=45 xy=(10/21)x^2+y^2 also,ab^2=ap^2+bp^2 x^2+y^2=4 xy=40/21 .: area of trapezium=(49/2)(40/21)=140/3

Vikas TU · Answer

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lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4. Find the area of trapezium ABCD. Ans>> 140/3

lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4.

Find the area of trapezium ABCD.

Ans>> 140/3

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lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4. Find the area of trapezium ABCD. Ans>> 140/3

lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4. Find the area of trapezium ABCD. Ans>> 140/3

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lET a(Z1), b (Z2), c(Z3) , AND d(Z4) be the vertices of a trapezium in an argand plane. Let |z1-z2|-4 and |z3-z4|=10 and diangonals ac and bd intersect at p. It is given that arg(z4-z3/z3-z1)=pi/2 and arg(z3-z2/z4-z1)=pi/4.

Find the area of trapezium ABCD.

Ans>> 140/3