Question

DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD (Fig 11.24). If the area of the parallelogram is 1470 cm2, AB = 35 cm and AD = 49 cm, find the length of BM and DL.

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Answer 1

Answer:

DL= 42cm

BM=30cm

Step by step Explanation:

Given: Area of parallelogram=1470 cm²

Base(AB)=35 cm and base(AD)=49 cm

Since, Area of parallelogram=base×height

⇒1470=35×DL

$⇒ DL \: = \frac{1470}{5}$

⇒ DL = 42 cm

Again, Area of parallelogram=base×height

⇒1470=49×BM

$⇒BM= \frac{1470}{49}$

⇒BM= 30 cm

Thus, the lengths of DL and BM are 42 cm and 30 cm respectively.

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Answer 2

See Attachment

DL= 42cm

BM=30cm