Formulas
Calculate
Composite Figures
Trapezoids, Triangles, Rectangles and Parallelograms
Missing Dimension
100
What's the area of a circle
A = (Pi)r2
100
Find the area of the rectangle to the nearest tenth
36.5 ft2
100
What is the area of the following shape?
What is 220 sq. units?
100
What is the area of a trapezoid with b1 = 4 cm, b2 = 6 cm, and the height is 5 cm.?
25 sq. cm.
100
A kite has an area of 40 ft2. One of the diagonals is 8 ft. What is the length of the other diagonal?
10 ft
200
What is the Area formula for a rectangle?
A = L x W
A = b h
200
What is the area of this trapezoid?
A = 42 m2
200
What is the area of the composite figure?
What is 54 cm2?
200
What is the area of a triangle with a base of 7.5 and a height of 18 rounded to the nearest tenth?
67.5 units2
200
A rectangle has an area of 156 cm2. The width of the rectangle is 12 cm. What is the length?
13 cm
300
The formula for the area of a Parallelogram is?
A = b x h
300
Find the area of the parallelogram with a base of 13 m and a height of 12 m
156m2
300
Name 2 shapes that have 2 parallel sides.
Parallelogram, square, rhombus or rectangle
300
Find the area of a rectangle when the l = 7m and w = 9 m?
63 m2
300
A triangle has an area of 20.5 ft2. The base of the triangle is 4.5 ft. What is the height?
9.1 ft
400
Which shape's area is half the area of a parallelogram?
A triangle
400
What is the area if a circle with a diameter of 12 cm to the nearest tenth?
113.1 cm2
400
What is 102 ft2?
400
Find the area of the parallelogram when b = 14 ft. and h = 19 ft
266 ft2
400
A trapezoid has an area of 9 mi2. If the trapezoid has bases of 2.7 mi and 6.1 mi, what is the height of the trapezoid.
2.0 mi
500
What is the formula for the area of a rhombus?
A = 1/2 d1 * d2
500
If the area of a circle is 28.3 in2 what is the radius to the nearest whole number?
3 in
500
Free
Free
500
The area of trapezoid is 162 sq. inches, the base 1 is 24 inches, base 2 is 12 inches, so what is the height?
9 inches
1000
How do you calculate the area of a trapezoid?
A = 1/2 (b1 + b2) h
1000
Calculate the area of the shaded potion of the shape.
25cm2
1000
A donut has a diameter of 4inches. The donut hole has a diameter of 1.5 inches. Once the donut hole is removed what is the area of the donut. Round to the nearest tenth
10.8 inches2
1000
There is an unusual house being built. The bottom is a rectangle and the roof is a trapezoid. The rectangle measures length = 32 ft., width = 22 ft. The trapezoid has a height of 8 ft and b1 = 18 ft, What is the area of the front of the house?
904 square feet