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Martha has a round table. She has made a tablecloth with a diameter of 8 feet. She'd like to put a ribbon around the edge of the tablecloth. How much ribbon will she need? Use 3.14 as an approximation for pi.

A. 25.1 feet
B. 100.5 feet
C. 16 feet
D. 128 feet

Answer :

Answer:

a) 25.1 feet to the nearest tenth.

Step-by-step explanation:

Circumference of a circle = pi * diameter.

So, she needs 8 * 3.14

= 25,12 ft

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Rewritten by : Barada

The correct answer is a) 25.1 feet.

To determine the amount of ribbon Martha needs, we must calculate the circumference of the tablecloth. The circumference [tex]\( C \)[/tex] of a circle can be found using the formula [tex]\( C = \pi d \)[/tex], where [tex]d[/tex] is the diameter of the circle and [tex]\( \pi \) (pi)[/tex] is approximately 3.14.

Given that the diameter [tex]\( d \)[/tex]of the tablecloth is 8 feet, we can plug this value into the formula:

[tex]\[ C = \pi d = 3.14 \times 8 \text{ feet} \][/tex]

Now, we perform the multiplication:

[tex]\[ C = 3.14 \times 8 = 25.12 \text{ feet} \][/tex]

Since we are looking for an approximate value, we can round this to the nearest tenth:

[tex]\[ C \approx 25.1 \text{ feet} \][/tex]

Therefore, Martha will need approximately 25.1 feet of ribbon to go around the edge of the tablecloth."