natashamckeown2006 natashamckeown2006

09-07-2020
Mathematics

contestada

The length of a rectangle is three times its width.
The perimeter of the rectangle is 24cm
Calculate the area

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Soboredgirl13 Soboredgirl13

09-07-2020

Area of a rectangle is 27 cm²

Given:

Perimeter of a rectangle = 24 cm

Length = 3x

Width = x

p = 2(l + w)

24 = 2(3x + x)

24 = 6x + 2x

24 = 8x

24/8 = x

3 = x

Width = 3 cm ; Length = 3x = 3(3) = 9 cm

Area = length * width

= 9cm * 3 cm

Area = 27 cm²

Answer Link

09-07-2020

Answer:

Area of a rectangle is 27 cm²

Step-by-step explanation:

Answer Link

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