Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Geometry

ARC Length and Sector Area

QuestionAnswer
What is the Arc Length An arc is a portion of the outside of a circle. Its length is a portion of the circumference, and can be found with a formula
What is the formula for Arc Length Arc Length = X/360 times pi(d)
What is the sector area? A sector is a piece of a circle. The area of a sector is a portion of the area of the circle, and can be found with a formula.
What is the formula for Sector Area? Sector Area = X/360(pi times r (squared)
What is a chord? When you draw a line segment from one part of a circle to another that does not go through the center of the circle.
What is a segment of a circle? the area between a chord and the outside of a circle.
How do you find the area the segment of a circle? Sector Area - Triangle Area x/360(pi times r squared) - 1/2bh
What is the formula for circumference? C=(pi)(D)
Created by: Kelly Arledge