Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra

Copy of Area of a Trapezoid

Author:Jayne Hooper, zaynabj, Tyrone Washington
Use this dynamic worksheet to derive the formula for area of a trapezoid.
Use the slider to rotate the trapezoid around BD.

1. What shape do the two combined trapezoids form?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

2. Let b1 represent the length of AB and b2 represent the length of CD. What is the length of the base of the shape formed by the combined trapeziums?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

3. Write the formula for the combined shape in terms of b1, b2 and h.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

What fraction of the combined shape is the original trapezium?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Write a rule for the area of the original trapezium in terms of b1, b2 and h.

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

New Resources

Discover Resources

Discover Topics