In the given figure, ABCD is a ‖gm in which DL ⊥ AB. If AB = 10cm and DL = 4cm, then the ar(‖gm ABCD) = ?
Area of parallelogram is: base × height
Here,
Base = AB = 10cm
Height = DL = 4cm
∴ ar(‖gm ABCD) = AB ×DL = 10×4 = 40cm2
∴ ar(‖gm ABCD) = 40cm2
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