marifer042007
contestada

The length of a side of a square is given by the expression 2 +1, and its perimeter is 56.

Write and solve an equation to determine the value of x.
Calculate the length of a side of the square.

Respuesta :

Answer:

x = 13/2

Step-by-step explanation:

the perimeter of the square = 4 (2x + 1) = 56 → (solve for x)

divide both sides by 4

2x + 1 =56/4  = 14

2x = 14 - 1 = 13 ⇒ x = 13/2

 

madbajo20

Answer:

a = 14

Step-by-step explanation:

P=4a

56=4a

/4 /4

14=a

Check:

56=4*14

56=56

correct ; )

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