Formulas
Calculate
Composite Figures
Trapezoids, Triangles, Rectangles and Parallelograms
Regular Polygons
100

How can I find the area of a regular hexagon? 

A = [(b*h)/2]*6 

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

What is a figure with with 8 congruent sides named and how many degrees is it's central angle?

Octagon 45 degrees

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 6rad3 and a height of 18 rounded to the nearest tenth? 

93.5 units2

200

If a regular pentagon has an apothem of 9.7 units and a side length of 14.1 units what is the area to the nearest tenth?

341.9 units2

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

Find the area of a triangle with an apothem of 7 units.  Round to the nearest tenth. 

254.6 units2

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

Find the area of a square with a radius of 13 inches.  Round to the nearest tenth if necessary. 

338 in2

500

What is the formula for the area of a square?

A = s2

500

If the area of a circle is 28.3 in2  what is the radius to the nearest whole number?

3 in

500

What is the area of the non-shaded area of the composite figure?

What is the 48 3/4 sq. meters or 48.75 sq. meters?

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

500

Find the area of regular hexagon that has an apothem of 4rad3 feet. Round to the nearest tenth. 

166.3 sq. ft.

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

1000

Find the area of an equilateral triangle with a side perimeter of 90 meters.  Round to the nearest tenth

389.7 m2

M
e
n
u