Example

Solving the formula A = rac{1}{2} h(b + B) for bb

To solve the trapezoid area formula A = rac{1}{2} h(b + B) for the base bb, use the following steps:

  1. Write the formula: A = rac{1}{2} h(b + B).
  2. Clear the fraction by multiplying both sides by 22: 2A=h(b+B)2A = h(b + B).
  3. Divide both sides by hh to isolate the expression within the parentheses: rac{2A}{h} = b + B.
  4. Subtract BB from both sides to isolate bb: b = rac{2A}{h} - B.

0

1

Updated 2026-04-22

Contributors are:

Who are from:

Tags

OpenStax

Intermediate Algebra @ OpenStax

Ch.2 Solving Linear Equations - Intermediate Algebra @ OpenStax

Algebra

Related