In the given fig. ABCD is a parallelogram. $D L ⊥ A B$ and $D M ⊥ B C$ If AB = 18 cm, BC = 12 cm and DM = 10 cm. Find DL.

6 \frac{1}{2} c m

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6

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6 \frac{1}{3} c m

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Solution

The correct option is C $6 \frac{1}{3} c m$
Here we equalise the areas
i.e. AB X DL = BC X DM
18 X DL = 12 X 10
$D L = \frac{12 X 10}{10} = \frac{20}{3} = 6 \frac{2}{3} c m$

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In the given fig. ABCD is a parallelogram. DL⊥AB and DM⊥BC If AB = 18 cm, BC = 12 cm and DM = 10 cm. Find DL.

The correct option is C 613cmHere we equalise the areasi.e. AB X DL = BC X DM 18 X DL = 12 X 10DL=12X1010=203=623cm

In the given fig. ABCD is a parallelogram. $D L ⊥ A B$ and $D M ⊥ B C$ If AB = 18 cm, BC = 12 cm and DM = 10 cm. Find DL.

The correct option is C $6 \frac{1}{3} c m$
Here we equalise the areas
i.e. AB X DL = BC X DM
18 X DL = 12 X 10
$D L = \frac{12 X 10}{10} = \frac{20}{3} = 6 \frac{2}{3} c m$