Formulas
Calculate
Composite Figures
Triangles and Shaded Areas
Rectangles and Parallelograms
100

What is the formula for area of a triangle?

Base times height divided by 2

100

Find the area of the rectangle.


36.54 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.?

What is 42 sq. cm.?


100

Find the area of a rectangle when the l = 7m and w = 9 m

What is 63 sq. meters

200

What is the Area formula for a rectangle?

A = B x H

200

What is the area of this triangle?

A = 10.15 ft2

200

What is the area of the whole figure?

What is 278 sq. ft?

200

What is the area of a triangle with a base of 15 cm and h = 8 cm?

What is 60 sq. cm?

200

Find the area of the parallelogram when the b = 6 in. and h = 7 in.

What is 42 sq. inches?
300

What is the formula for the area of a Parallelogram


A =  b x h

300

Find the area of the parallelogram with a base of 15m and a height of 12m

180m2

300

Name 2 shapes that have 2 parallel sides. 

Parallelogram, square or rectangle 

300

What is the area of the shaded part of this figure?



What is 106 m2?

300

Find the area of the parallelogram when b = 16 ft. and h = 13 ft. 

What is 208 sq. ft.?

400

Which shape's area is half the area of a parallelogram? 

A triangle 


400

What is the area of a triangle if the base is 3 cm and the height is 7 cm?

A = 10.5 cm2

400

What is the area of this figure?



What is 52 sq. cm?

400

Find the area of the triangle where the base is 33 m and h = 10 m.

What is 165 sq. m?

400

Find the area of the of the rectangle when the l = 13 cm and the w = 6 cm.

What is 78 sq. cm?

500

What two shapes make up a trapezoid?

Triangle and Rectangle 


500

Calculate the area of the shape.

10 m2

500

What is the area of this shape?

What is 111 cm2?

500

What is the area of the shaded part of this figure?

What is 60 cm2?

500

A pool and the apron around the pool measure l = 42 ft. and w = 24 ft.  What is the area of the apron around the pool if the pool measures l = 34 ft. and wide of 16 ft.?

What is 64 sq. ft.?

1000

How do you calculate the area of a trapezoid?

(Base plus Base) times height divided by 2

Area of the rectangle plus area of the triangle

1000

Calculate the area of the shape above.

27cm2

1000

The front wall of the shed that Rita built is 9 feet tall and 6 feet wide. After she cut a section out for a door, the area of that wall was 30 square feet. If the measurement of the doorway's height is 8 ft, what is the width of the doorway?

What is 3 ft.?

1000

What is the area of the shaded part of this figure?

What is 32 cm2?

1000

If the area of a parallelogram is 264 sq. meters, and the base of it is 12 m, what is the height?

What is 22 meters?