BD is one of the diagonals of a quad.ABCD.If AL⊥BD and CM⊥BD,sh

1.	BD is one of the diagonals of a quad.ABCD.If AL⊥BD and CM⊥BD,show that ar(quad.ABCD)=12×BD×(Al+CM).
Answer» BD is one of the diagonals of a quad.ABCD.If $A L ⊥ B D$ and $C M ⊥ B D$ ,show that ar(quad.ABCD)= $\frac{1}{2} \times B D \times (A l + C M)$ .

BD is one of the diagonals of a quad.ABCD.If AL⊥BD and CM⊥BD,show that ar(quad.ABCD)=12×BD×(Al+CM).

Answer»

BD is one of the diagonals of a quad.ABCD.If $A L ⊥ B D$ and $C M ⊥ B D$ ,show that ar(quad.ABCD)= $\frac{1}{2} \times B D \times (A l + C M)$ .