• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/4

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

4 Cards in this Set

  • Front
  • Back

A= πr^2


C= 2πr


C=πD


D=2r


R=D/2

Circle formulae

Length of line

√(x2-x1)^2 +(y2-y1)^2

Equation of a line

(Y-y1)/ (y2-y1) = (x-x1)/ (x2-x1)

Equation of a circle

(X-a)^2 +(y-b)^2 = r^2



Centre =(a,b)


Radius = r




If centre is (0,0)



X^2 +y^2 = r^2