Answered

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A rectangle has a length of (x + 3) centimeters and a width of image x centimeters. If the perimeter is 24 centimeters, what is the length of the rectangle? A. 9 cm B. 3 cm C. 14 cm D. 7 cm PLEASE HELP WILL MARK BRAINLIEST.

Sagot :

Answer:

The length of the rectangle is 9 cm.

Step-by-step explanation:

Given: The length of rectangle(l) = (x+3) cm and a width of rectangle (w) =  cm a

Also, perimeter of rectangle is 24 cm.

Perimeter of rectangle is to add the lengths of all the four sides.

Perimeter of rectangle (P) is given by;

P=2(l+w)

Substituting the value of P = 24 cm , l = (x+3) cm and w =

then,  

Divide by 2 both sides of an equation;

Combine like terms;

Subtract 3 from both the sides we get;

Simplify:

Multiply both sides by  we get

Therefore, length of rectangle(l) = (x+3) = 6+3 = 9 cm

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