All categories

3 years ago

A circle has a circumference of 361\pi What is the diameter of the circle?

Mathematics

2 answers:

9966 [12]3 years ago

8 0

The circumference of a circle is given by:

$C=2\pi r$

Where r is radius of the circle .

Now the relation between radius and diameter is given as:

Radius * 2 =Diameter

So replacing 2r by "d" in the equation of circumference,

$C=\pi d$

We are given value of circumference as 361/pi

Plugging this value in the formula for circumference,

$\frac{361}{\pi }=\pi d$

Answer: Diameter is given by:

$d=\frac{361}{\pi ^{2} }$

stich3 [128]3 years ago

6 0

A circle with a circumference of 361/pi has a diameter of 114.91

Diameter = 114.91

You might be interested in

Noel and Casey both start at the same place. Noel walks due south and Casey walks due east. After some time has passed, Noel is

Dovator [93]

Answer:

2.04 miles per hour

Step-by-step explanation:

Given

Noel

$n_1 =6miles$

$r_1 = 2mph$

Casey

$c_1 = 8miles$

$r_2 =1mph$

Required

The rate at which the distance increases

Their movement forms a right triangle and the distance between them is the hypotenuse.

At $n_1 =6miles$ and $c_1 = 8miles$

The distance between them is:

$d_1 = \sqrt{n_1^2 + c_1^2}$

$d_1 = \sqrt{6^2 + 8^2}$

$d_1 = \sqrt{100}$

$d_1 = 10miles$

After 1 hour, their new position is:

New = Old + Rate * Time

$n_2 = n_1 + r_1 * 1$

$n_2 = 6 + 2 * 1 = 8$

And:

$c_2 = c_1 + r_2 * 1$

$c_2 = 8 + 1 * 1 = 9$

So, the distance between them is now:

$d_2 = \sqrt{n_2^2 + c_2^2}$

$d_2 = \sqrt{8^2 + 9^2}$

$d_2 = \sqrt{145}$

$d_2 = 12.04$

The rate of change is:

$\triangle d = d_2 -d_1$

$\triangle d = 12.04 -10$

$\triangle d = 2.04$

5 0

3 years ago

Can someone help me please id really appreciate it , i’ll give you brainliest

ozzi

Answer:

Alternate Exterior Angles Theorem

Step-by-step explanation:

By looking, we can see that they are exterior angles. Because 2 parallel lines are cut by a transversal, the angles are congruent.

4 0

3 years ago

(f^3-5f+25)-(4f^2-12f+9)

pochemuha

Answer:

3−42+7+16

Step-by-step explanation:

if its simplify

8 0

3 years ago

How is the product of 3 and 2 shown on a number line?

Bas_tet [7]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Steps factoring polynomials using gcf for 9x²+9x

Molodets [167]

Answer:

Step-by-step explanation:

Step 1: Identify the GCF of the polynomial.

Step 2: Divide the GCF out of every term of the polynomial. ...

Step 1: Identify the GCF of the polynomial. ...

Step 2: Divide the GCF out of every term of the polynomial.

Step 1: Identify the GCF of the polynomial. ...

Step 2: Divide the GCF out of every term of the polynomial .

6 0

3 years ago