formulas Flashcards
1
Q
pythagorean
A
a2 + b2 = c2
2
Q
parallelogram
A
b x h = a
3
Q
kite rhombus
A
(d1xd2)/2
4
Q
triangle
A
(bxh)/2
5
Q
circle area
A
r2pi
6
Q
circle circumference
A
dpi
7
Q
polygon area
A
1/2 x apothem x perimeter
8
Q
trapezoid area
A
1/2(b1 + b2)
