find the area of the quadrilateral ABCDin which ab is 6 cm ,bc is 12 cm , cd is 15 cm andac is 5 cm
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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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