find the area of the quadrilateral ABCD in which Ab=7 cm BC=6cm CD=12cm DA=15cm and AC=9cm....
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The area of the quadrilateral ABCD is 54 + 2 root 110 square cm
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Jazzy11:
thanks a lot
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semi perimeter=9+12+15=36 cm
therefore, area of triangle =![\sqrt{x} *{x-a]{x-b][x-c]](https://tex.z-dn.net/?f=+%5Csqrt%7Bx%7D+%2A%7Bx-a%5D%7Bx-b%5D%5Bx-c%5D "\sqrt{x} *{x-a]{x-b][x-c]")
then find the area of the two triangles.
therefore, area of triangle =
then find the area of the two triangles.
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