Hanley made a scale drawing of his rectangular patio for a landscaping project. In the drawing, he used a scale of 1 inch = 5 feet. The dimensions of the patio in the scale drawing are 5.5 inches by 4 inches. What is the actual area of the patio?

A. 22 square feet
B. 95 square feet
C. 110 square feet
D. 550 square feet

Respuesta :

Answer:

D  550 ft²

Step-by-step explanation:

5.5 x 5 = 27.5

4 x 5 = 20

A = LW

27.5 x 20 = 550

Scaling is the process in which the dimension of an object is multiplied or increased by the same ratio.  The actual area of the rectangular patio is 550 feet².

What is scaling?

Scaling is the process in which the dimension of an object is multiplied or increased by the same ratio.

As it is given that the ratio by which the patio is scaled is 1 inch = 5 feet. Therefore, a single inch on the drawing is 5 feet in the real world.

Now, the dimensions of the patio on the scale drawing are 5.5 inches by inches, therefore, each of the dimensions will be scaled.

[tex]\text{Length of the Patio}= 5.5\rm \times 5 = 27.5\ feet[/tex]

[tex]\text{Width of the Patio} = 4 \times 5 = 20\rm\ feet[/tex]

Further, the area of the rectangle is the product of its length and its breadth, therefore, the area of the rectangular patio is

[tex]\text{Area of the Patio} = Length \times Breadth\\[/tex]

                           [tex]= 27.5 \times 20\\\\= 550\rm\ feet^2[/tex]

Hence, the actual area of the rectangular patio is 550 feet².

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