See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 cards from this deck
Estimate area of shapes with irregular boundaries
A=h2(df+dl)A = \frac{h}{2}(d_f + d_l)A=2h(df+dl)
Area of the shape being estimated
Perpendicular width between parallel sides
Distance along the first parallel side
Distance along the last parallel side
Shapes with irregular boundaries
Better estimate of true area
Always perpendicular to parallel sides
Equals dfd_fdf of section 2
Select your subjects, and get access to A+ resources today.