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jolli1 [7]
3 years ago
15

How do I figure out the circumference of a circle​

Mathematics
2 answers:
Bas_tet [7]3 years ago
7 0

Answer:

\huge \boxed{\mathrm{C=\pi d}}

Step-by-step explanation:

To find the circumference of a circle, you can multiply the value of the diameter of the circle with the value of pi.

\sf Circumference = \pi \times diameter

\mathrm{C=\pi d}

MAXImum [283]3 years ago
3 0

C=2•π•r

hope it helps;)

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Aliun [14]
Can you give an example?
7 0
3 years ago
A, B and C are points on a circle with a diameter AB
Tamiku [17]

Answer:

36.575

Step-by-step explanation:

you need to find line ab you can do A^{2} +B^{2} =C^{2}  for the triangle and get the line you also need to get the squar root of it as it is still squared then devide by 2 to get the rades then times that by pi and there you go you have the area also sorry for spelling I love math not English

3 0
3 years ago
Which of the following is a root of the polynomial shown below?
Mademuasel [1]

Answer:

We conclude that option A is true as x = 1 is the root of the polynomial.

Step-by-step explanation:

Given the polynomial

f\left(x\right)\:=\:x^2\:+\:2x^2\:-\:x-2

Let us determine the root of the polynomial shown below.

\:0=\:x^2\:+\:2x^2\:-\:x-2

0=3x^2-x-2

switch sides

3x^2-x-2=0

as

3x^2-x-2=\left(3x+2\right)\left(x-1\right)

so the equation becomes

\left(3x+2\right)\left(x-1\right)=0

Using the zero factor principle

3x+2=0\quad \mathrm{or}\quad \:x-1=0

solving

3x+2=0

3x=-2

\frac{3x}{3}=\frac{-2}{3}

x=-\frac{2}{3}

and

x-1=0

x=1

The possible roots of the polynomial will be:

x=-\frac{2}{3},\:x=1

Therefore, from the mentioned options, we conclude that option A is true as x = 1 is the root of the polynomial.

3 0
3 years ago
2 thousandths + 4 hundredths ​
ratelena [41]
The answer would be 0.042
6 0
4 years ago
Holly missed 7 of 181 school days this year. Approximately what percent of school days was Holly in attendance?
kogti [31]

Answer:

96.13%

Step-by-step explanation:

181-7=174. 174/181

5 0
3 years ago
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