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alekssr [168]
3 years ago
6

The width of a rectangle is 4 inches greater than half the length. The perimeter is 56 inches. What is the length and the width

of the rectangle
Mathematics
2 answers:
yulyashka [42]3 years ago
7 0

Answer:

Length of the rectangle = 16 inches

Width of the rectangle = 12 inches

Step-by-step explanation:

Let the length of the rectangle be represented by x.

Then width can be expressed as \[\frac{x}{2}+4\]


Perimeter of a rectangle is the sum of four sides of the rectangle.

This can be expressed as 2*(length + breadth)

= \[2* (x + \frac{x}{2}+4)\]

= \[2* (\frac{3x}{2}+4)\]

= \[3x + 8\]

But perimeter is given as 56.

So, \[3x + 8 = 56\]


=> \[3x = 48\]

=> \[x = 16\]

Hence length of the rectangle = 16 inches

Width of the rectangle = \[\frac{16}{2}+4\] = 12 inches

RoseWind [281]3 years ago
7 0

Answer:

length = 16 inches and width = 12 inches

Step-by-step explanation:

Let l be the length and w be the width of the rectangle.

It is given that width is 4 inches greater than half of the length:

w=\frac{l}{2}+4 ------1

Perimeter of the rectangle is given by 2\times(l+w)

2\times(l+w)=56

l+w=28  ----------------2

Substituting w from equation 1 in equation 2, we get:

l+(4+\frac{l}{2})=28

\frac{3l}{2}=24

∴ l = 16 inches

Putting l=16 in equation 1, we get w=12.

Hence w= 12 inches.

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