A circle has a diameter of 22mm. What is its circumference ?

Mathematics

2 answers:

Artist 52 [7]3 years ago

7 0

Answer:

22 $\pi$

Step-by-step explanation:

Circumference = diameter * pi = 22 * pi

mezya [45]3 years ago

4 0

Answer:
69.1 mm

Explanation:
Circumference=(Pi)(diameter)
Circumference=(Pi)(22)
Circumference=69.1 mm

Therefore, the circumference of the circle is approximately 69.1 mm.

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Answer:

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Step-by-step explanation:

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7 0

3 years ago

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Alla [95]

Answer:

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3 years ago

Mrs. Chen's students are making and decorating gift boxes for a nursing home. If the boxes are 7 inches wide, 7 inches long, and

pishuonlain [190]

Answer:

$84\text{ in}^2$ .

Step-by-step explanation:

We have been given that Mrs. Chen's students are making and decorating gift boxes for a nursing home. The boxes are 7 inches wide, 7 inches long, and 7 inches high. We are asked to find the amount of cardboard that is needed for each box.

We will use surface area of cuboid formula to solve our given problem.

$SA=2(lw+lh+hw)$ , where,