Question

A rectangle has an area of 143 square meters and a width of 6. 5 meters. What is the length, l, of this rectangle? l = 121 m l = 78 m l = 65 m l = 22 m.

Answer 1

L = 22 because area equals length times width. So if you divide the area (143) by the width (6.5) you get 22

Answer 2

Area of a rectangle is function of its length and width. The length of the specified rectangle is given by: Option D:  l = 22 m.

How does area of a rectangle, and its length and width are related?

Area of a rectangle is the product of its length and width.

If a rectangle has length L units and width of W units, then

Area = L × W squared units.

For the given case, it is specified that:

Area of considered rectangle = 143 square meters

Width of that same rectangle = 6.5 meters

Let its length be L meters.

Then,

A = L × W

$143 = L \times 6.5\\\\\text{Dividing both the sides by 6.5}\\\\\dfrac{143}{6.5} = L\\\\L = 22 \: \rm meters$

Thus, The length of the specified rectangle is given by: Option D:  l = 22 m.

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