In quadrilateral ABCD, AC = 10 cm. BM an...

In quadrilateral ABCD, AC = 10 cm. BM and DN are altitudes on AC from B and D respectively. If BM = 12 cm and DN = 4 cm, then ar (ABCD) = ……………..`cm^(2)`.

A

160

B

80

C

320

D

480

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The correct Answer is:

B

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