How can we help?

You can also find more resources in our Help Center.

9 terms

formulas

STUDY
PLAY
area of a parallelogram
b×h
area of a square
area of a triangles
½ b×h
area of a trapezoid
½h (b₁+b₂)
area of a circle
r² π
circumference of a circle
dπ or 2πr
perimeter of a square
4s
perimeter of a parallelogram
2b+2h
perimeter of any non circular figure
s+ however many sides