find the area of quadrilaterals when height are 1.5 cm and 2.6 cm diagonal is 5.5 cm.




with fu

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1. Area of quadrilateral ABCD=

   2

   1

   d(h

   1

   +h

   2

   )

   Sum of the length of perpendicular from the remaining two vertices on the diagonal AC=(h

   1

   +h

   2

   )

   h

   1

   +h

   2

   =12cm.

   Length of the diagonal (BD)=11cm.

   ∴ Area of quadrilateral =

   2

   1

   d(h

   1

   +h

   2

   )=

   2

   1

   ×12×11=6×11=66 cm

   2

   .

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