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# geo help

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In the given figure, ABCD is a parallelogram. If the area of the parallelogram is 156 sq cm, find the length of AL.

Dec 27, 2019

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In the given figure, ABCD is a parallelogram. If the area of the parallelogram is 156 sq cm, find the length of AL.

Hello Guest!

$$13cm\cdot \overline{DL}=156\ cm^2\\ \overline{DL}=156\ cm^2/13\ cm\\ \overline{DL}=12\ cm$$

$$\overline{AL}=\sqrt{(13\ cm)^2-(12\ cm)^2}$$

$$\overline{AL}=5\ cm$$

!

Dec 27, 2019
edited by asinus  Dec 27, 2019
edited by asinus  Dec 27, 2019