A rectangle has a width of 10 centimeters. The rectangle's length is 4 times its width. What is the perimeter of the rectangle?

If it's width is 10cm then it's legth has to be 40cm. So 10+10+40+40=100cm Perimeter

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Answer:

100 cm.

Step-by-step explanation:

We have been given that a rectangle has a width of 10 centimeters. The rectangle's length is 4 times its width.

The length of rectangle would be $4\times 10\text{ cm}=40\text{ cm}$ .

We know that perimeter of rectangle is 2 times the sum of length and width of rectangle.

$\text{Perimeter of rectangle}=2(\text{Length+Width)}$

$\text{Perimeter of rectangle}=2(\text{10 cm+ 40 cm)}$

$\text{Perimeter of rectangle}=2(\text{50 cm)}$

$\text{Perimeter of rectangle}=100\text{ cm}$

Therefore, the perimeter of our given rectangle would be 100 cm.

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