find the area of quadrilateral
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= s×4 is the formula of quadrilateral
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Answer:
Area of the quadrilateral = 102 cm^2.
Step-by-step explanation:
Area of the quadrilateral is the sum of the areas of the triangles formed both sides of diagonal AC.
= 1/2 . AC . BM + 1/2 . AC . DN = 1/2 . AC (BM + DN)
= 1/2 . 12. (6.2 + 10.8) = (6).(17) cm^2 = 102 cm^2.
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