Area/Circumference of Circles
Area of Triangles
Area of Parallelograms
Area of Trapezoids
Formulas
100
The area of a circle with a radius of 5ft.
What is 78.5 ft^2 ?
100
The area of a triangle with a base of 8 inches and a height of 10 inches.
What is 40 in2?
100
The area of a parallelogram with a base of 3 meters and a height of 12 meters.
What is 36 meters2?
100
The area of the trapezoid.
What is 66 ft2?
100
What is the formula for area of a parallelogram
base times height unit squared
200
The area of a circle with a diameter of 20 yd
What is 314 yd2?
200
The area of a triangle with a base of 1 cm and a height of 1 cm.
What is 0.5 cm2?
200
The area of this parallelogram.
What is 468 in2?
200
The area of a trapezoid. 
What is 176 cm2?
200
What is the formula for area of a triangle?
base times height divided by two unit squared
300
The circumference of a circle with a radius of 4ft .
What is 25.12 ft?
300
The area of the triangle.
What is 56 in2?
300
The area of this parallelogram.
What is 322 ft2?
300
The area of a trapezoid.
What is 63 m2?
300
What is the formula for area of a circle?
pi times radius squared unit squared
400
The Circumference of a circle with a diameter of 11ft.
34.54ft
400
The area of a triangle with a base of 125.54 cm and a height of 23.01 cm rounded to 4 decimals.
What is 1,444.3377 cm2?
400
The area of a parallelogram with a height of 5 meters and a base that is 62 meters long.
What is 310 meters2?
400
The area of the trapezoid.
What is 741 ft2?
400
What is the formula for circumference of a circle
pi times diameter
500
Find the area and circumference of a circle with a diameter of 56ft.
What is 175.84 and 2461.71 ft2
500
Triangle PQR is a section of a ball field. Find the area. 
What is 156 ft2?
500
The area of parallelogram EFGH is 207 square inches. It's height is 9 inches. Find the base GH.
What is 23 inches?
500
The area of the trapezoid. 
What is 19.8 in2?
500
What is the formula for area of a trapezoid
(base 1 plus base 2) times height divided by 2 unit squared