3 years ago

How to calculate a circumference of a circle?

Mathematics

2 answers:

aliina [53]3 years ago

8 0

Answer: Pi multiplied by the diameter of the circle

Step-by-step explanation:

rjkz [21]3 years ago

5 0

Answer:

The formula for finding the circumference of a circle is $C = 2\pi r$ . You substitute the radius of the circle for $r$ and multiply it by $2\pi$ .

You might be interested in

Closest to Zero

Finger [1]

Answer:

(6*3)^1 - 2(4+5)

Step-by-step explanation:

This is pure logic, so there is no step-by-step explanation.

6 0

3 years ago

Please answer this. I would greatly appreciate it

julia-pushkina [17]

Answer:

The length of the side TU is approximately 29.9 feet long.

Step-by-step explanation:

There is a trigonometry law called the law of sines, which states the sine of an angle divided by its opposite side is equivalent to the sine of all the other angles in that right triangle divided by its corresponding opposite side. You can use this law to help you solve for x. By applying the law of sines, you'll get that $\frac{sin(90^{o})}{x} =\frac{sin(42^{o})}{20}$ ⇒ $\frac{x}{sin(90^{o})} = \frac{20}{sin(42^{o})}$ ⇒ $x=\frac{20*sin(90^o)}{sin(42^{o})}$ ⇒ $x=29.9ft.$