radins Flashcards
1
Q
arc length formula
A
L=r@
2
Q
area of a sector of a circle
A
A=0.5r^2@
3
Q
the area of a segment in a circle
A
A= 0.5r^2(@-sin@)
4
Q
perimeter of an arc
A
p = r@ + 2R
arc length formula
L=r@
area of a sector of a circle
A=0.5r^2@
the area of a segment in a circle
A= 0.5r^2(@-sin@)
perimeter of an arc
p = r@ + 2R