Corcle Flashcards
1
Q
Circumference of a circle?
A
2πr OR πd (they are equivalent)
2
Q
Area of circle?
A
πr^2
3
Q
Area of a trapezium?
A
1/2 (a+b) x h
WHERE a and b are lengths of parallel sides, h is perpendicular height
4
Q
Volume of a prism?
A
Area of cross section x length
5
Q
Area of circle
A
1/2 r^2 theta
6
Q
Arc length?
A
Radius x angle (theta)
(Rtheta)