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harina [27]
3 years ago
11

I need help with this geometry question. Please show work:)

Mathematics
1 answer:
aliya0001 [1]3 years ago
7 0
I think it would be 7.5!!

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2)<br> A circle has a radius of 8 cm. What is its circumference?<br> 8 cm
egoroff_w [7]

Answer

16π cm ≈ 50.2655 cm

Step-by-step explanation

To find the circumference of a circle, we can use the equation C = 2πr.

C stands for the circumference while r stands for the radius. We can see that there is a proportional positive linear relationship between radius and circumference for all circles, and that to find circumference when we have a radius value, we multiply the radius value by 2π.

The value of π, also called pi, is a constant and is the ratio of a circle's circumference to its diameter (the diameter is twice the radius, hence the 2 in the equation). Note that π is a constant and applies to all circles because all circles are similar.

Since we know the value of r, or the radius, given as 8 cm in the question, we can plug this value into the equation C = 2πr from earlier.

C = 2πr (plug in 8 cm for the radius)

C = 2π * 8

C = 16π cm

Since the radius is in units of cm (centimeters), the circumference is also in units of cm (centimeters).

16π cm is the exact value of the circumference. However, if we want this circumference in decimal form, we would multiply 16 by the decimal form of π which is approximately 3.1416. Note that π actually has an infinite amount of decimals and that this 3.1416 is actually a rounded π value

C = 16π

C ≈ 16 * 3.1416

C ≈ 50.2655 cm rounded to four decimal places

6 0
3 years ago
4. Identify the conclusion of the following conditional: A number is divisible by 3 if the sum of the digits of the number is di
statuscvo [17]
X/3+x/3 that is the form of it i think
4 0
3 years ago
Graph the line, two points to graph Y=4/3x-y
defon
I hope this helps u
And others if ur searching for

4 0
3 years ago
HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE
ANTONII [103]
Multiply 400 times 0.70 and that’s how you get the % (in this case 280)
5 0
3 years ago
I NEED THIS DONE IN 3 HOURS AND I CANT FIGURE IT OUT PLEASE HELP
MAVERICK [17]

1. option 1

2. option 1

3. option 4

4. option 1

5. option c

explanation is in picture attached.

excuse me.for my bad handwriting

8 0
3 years ago
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