gracefgfg12 gracefgfg12
  • 13-07-2020
  • Mathematics
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A rectangle with an area of 192 square meters has a length and width in a ratio of 3:1. What are the length and width?

A rectangle with an area of 192 square meters has a length and width in a ratio of 31 What are the length and width class=

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leena
leena leena
  • 13-07-2020

Hey there! :)

Answer:

Length = 24 meters.

Width = 8 meters.

Step-by-step explanation:

Recall that to find the area of a rectangle, the formula is as shown:

A = l × w

In this case, the length is 3 times the length of the width, or 3 : 1.

Let w = width, and

3w = length.

Find the value of w by plugging in these values into the equation:

192 = 3w · w

192 = 3w²

Divide both sides by 3:

64 = w²

Square root both sides:

w = 8 meters. This is the width.

The length is equivalent to 3w, so:

3(8) = 24 meters.

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