posted by jasmine20 .
How did you get 2h. and then the 2a/h from.Can you help me understand it when you get a chance.
Directions: Solve each literal equation for the indicated variable.
A=1/2h(B+b) (For b) Area of a trapezoid
For Further Reading
math,algebra - drwls, Monday, December 18, 2006 at 10:26am
It is just a matter of algebraic manipulation.
Multiply both sides of the equation by 2/h.
B+b = 2A/h
b = (2A/h) - B