circumference and area Flashcards
1
Q
circumference of a circle
A
c = 2🥧r
2
Q
area of a circle
A
A = 🥧r2
3
Q
circumference of a cylinder
A
c = 2🥧r x height
4
Q
circumference of a square
A
+ all sides
5
Q
area of a semi circle
A
A = 🥧r2 / 2
6
Q
how to find circumference of a circle if you only have area
A
C = 2√πA
