Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


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. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Cercul

Elemente de teorie

TermDefinition
Raza Distanta de la centrul cercului la un punct al acestuia
Coarda Segmentul determinat de doua puncte ale unui cerc
Arc Portiunea de cerc determinata de doua puncte ale acestuia
Diametru Coarda care trece prin centrul cercului
Unghi la centru Unghi cu varful in centrul cercului
Tangenta Dreapta care are un singur punct comun cu cercul
Secanta Dreapta care are exact doua puncte comune cu cercul
Punct interior cercului Distanta de la centrul cercului la acest punct, este mai mica decat raza
Punct exterior cercului Distanta de la centrul cercului la acest punct, este mai mare decat raza
Cecuri exterioare Nu au puncte comune si distanta dintre centrele lor este mai mare decat suma razelor lor.
Cercuri tangente exterioare Au un singur punct comun si distanta dintre centrele lor este egala cu suma razelor lor.
Cercuri secante Au exact doua puncte comune
Cecuri tangente interioare Au un singur punct comun si distanta dintre centrele lor este egala cu diferenta in modul, a razelor lor.
Cercuri interioare Nu au puncte comune si distanta dintre centrele lor este mai mica decat diferenta in modul, a razelor lor.
Unghi inscris in cerc Unghiul cu varful pe cerc, ale carui laturi sunt secante ale cercului
Masura unui arc mic de cerc Masura unghiului la centru corespunzator
Lungimea cercului 2πR
Aria discului πR²
Masura cercului 360°
Cercuri concentrice Cercuri care au acelasi centru
Cercuri congruente Cercuri care au razele egale
Created by: edumary
Popular Math sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards