Question

D) 4. Mrs. Smith wants to purchase table pads for her circular
dining room table. If the table has a diameter of 3 feet and
the pads cost 50 cents per square foot, approximately how
much will the table pads cost? Use 3.14 fora.
C

Answer 1

Answer: 3.53

Step-by-step explanation:

Answer 2

The cost for the table pads that Mrs. Smith will have to pay for her circular dining room table is $3.5325 approx

What is the area of a circle?

If the considered circle has got is radius of 'r' units. Then, its area is calculated as:

$A = \pi r^2 \: \rm unit^2$

where $\pi = 3.14159...$

For this case, we are provided that:

Diameter of the circular dining table of Mrs. Smith = 3 feet

Thus, as radius is half of diameter, thus, radius of table = 3/2 = 1.5 feet

We find the area of the table since the area of the table pad that will be used for table will be equal to the area of the table because it will be applied all over the table.

The area of the table pad = area of the table = $\pi (1.5)^2 \approx 3.14 \times (1.5)^2 = 7.065 \: \rm ft^2$

For each sq. foot, Mrs. Smith had to pay 50 cents = 0.5 dollars

Thus, for 7.065 sq. feet, the cost would be:

$0.5 \times 7.065 = 3.5325$ (in dollars)

Thus, the cost for the table pads that Mrs. Smith will have to pay for her circular dining room table is $3.5325 approx

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