Circles Flashcards
1
Q
area of circle=
A
pi x r²
2
Q
circumference of circle=
A
2pi x r
3
Q
arc length =
A
angle/360 x 2pi x r
4
Q
sector area=
A
angle/360 x pi x r²
area of circle=
pi x r²
circumference of circle=
2pi x r
arc length =
angle/360 x 2pi x r
sector area=
angle/360 x pi x r²