What is the area of quadrilateral ABCD in Which AB=6cm,BC=7cm,CD=12cm,DA=15cm,AC=9cm.
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sorry friend its hard for me
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Answer:
Step-by-step explanation:
let it be 2 triangles rather than 1 big quadrilateral.
ABC = 7/6/9 and ADC = 15/12/9
total area
= √(11 * 4 * 5 * 2) + (12 * 9) / 2
= 2√110 + 54
= 74.976177
=~ 75 cm^2
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