Circumference of a Circle - YourTeacher.com - Math Help

For a complete lesson on circumference of a circle, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that the circumference of a circle is the distance around the circle, and the formula for the circumference of a circle is 2 times pi times the radius of the circle. Pi is the ratio of the circumference to the radius, which is approximately 22/7 or 3.14. So a circle with a radius of 3 feet has a circumference of 2 times pi times 3, or 6 pi feet. And since pi = 3.14, 6 pi feet can also be written as 6 times 3.14, or 18.84 feet. Finally, note that the radius of a given circle is half the diameter of the circle. So to find the circumference of a circle with a given diameter, first find the radius of the circle by dividing the diameter by 2.

Category:

Education

Tags:

• circle
• formula
• diameter
• how
• find
• finding
• calculate
• convert
• calculation
• calculating
• measuring
• measure
• geometry
• radius
• pi

[DeathAngleZoe]

Some people, like me for example, lose track of what the teacher is saying when they are talking too fast. That's why these teachers are required to try to explain things slowly so our brians can easily catch up.

Also, the reason they all don't smile is becuase again, it's distracting to some people.

They're mission is to make us focus on nothing BUT the lesson itself.

If they smile, or giggle a little, we'll all start thinking about that. :)

[joeglimmix]

do your homework or she will strangle you

[Anonland]

@MBJB07

Listening to somebody smiling or doing some kind of emotion is distracting.

But listening to someone like Bella Swan from twilight (who has no emotions) can be understanded because we are focusing on the the words coming out of her mouth.

;)

[treemeisterGC]

@DeathAngleZoe lol not me! My math teacher is just too slow and I always fall asleep.

[muchumundo]

FUCK I WISH I HAD MY GRADE 12 DIPLOMA

[hotcocoaa36]

she is talking too fast.but she is not bad.

[ultrasamarai]

shes crazy looking

[jazzi09876]

PAUSE AT 2:10 LOL

[jazzi09876]

This teacher helped me out alot thank u!!!! :D

[SRR023]

if teachers were like this, classes would only be a few minutes. is that a good thing, or a bad thing? to me, it's a good thing.

[laplouis]

pokeballl

[punk1never0dies1]

@shankful1

You too man?!!!

Hahaha

I thought it was gonna be some hip ass

Tutor but...naaahhhh