You will see three applets to exercise finding the area and perimeter of a triangle, a circle, and a trapezoid. [br]After inputting your answer, the app will let you know if your answer is correct.

Use [math]\pi[/math]=3.14 to calculate.

You will see three applets to exercise finding the area and perimeter of a triangle, a circle, and a trapezoid. [br]After inputting your answer, the app will let you know if your answer is correct.