
Grade 8Algebra
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




