xgoldenx10
xgoldenx10 xgoldenx10
  • 03-08-2020
  • Mathematics
contestada

The perimeter of a rectangle is 60 cm. The ratio of length to width is 3:2. Find the length and width of the rectangle.

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LazyBun
LazyBun LazyBun
  • 03-08-2020
Answer: L = 18 and W = 12

Explanation:

Find the semi rectangle:

60/2 = 30

Now we can find the length and width using the semi rectangle:

L = 30 x 3/5 = 18

W = 30 x 2/5 = 12
Answer Link
oscar236
oscar236 oscar236
  • 03-08-2020

Answer:

See below.

Step-by-step explanation:

The perimeter = 2*length + 2 * width.

As the ratio is 3:2 the fraction 3 / (3 +2)  is used to find the length:

The measure of the 2 lengths = 3/ (3+2)  * 60

= 3/5 * 60

= 36 cm

So the measure of the length = 18 cm

So the measure of  the width = (60 - 36) / 2

= 24/2

= 12 cm.

Answer Link

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