Perimeter /
circumference
Area
Volume
Rectangle
s1 + s2 + s3 +
s4
lxb
lxbxh
Triangle
s1 + s2 +s3
½xbxh
½xbxhxH
Circle
π x diameter
OR
π x r2
π x r2 x h
π x 2 x radius
Determine the height of the container if it can hold 20 ℓ of water. The area of
the bottom is 800 cm2.