Area and perimeter

Area

100

What is the area of a rectangle that has a base of 3 in. and a height of 5 in.?

15 in²

200

What is the area of a triangle that has a base of 12 in. and a height of 10 in.?

60 in²

300

Find the area of a trapezoid that has the following:

b1 = 8 ft

b2 = 12 ft

h = 7 ft

70 ft²

400

How much larger is a rectangle that has a base of 12cm.  and a height of 18 cm. than a triangle that has a base of 14 cm. and a height of 20 cm?

76 cm²

216 - 140

(area of rectangle - area of triangle)

Perimeter

100

What is the perimeter of a square whose side length measures 4 m?

16m

200

What is the perimeter of a rectangle with a base of 7ft. and a height of 18 ft. 

46 ft

300

What is the perimeter of a regular hexagon with a side length measuring 8 in?

48 in.

400

A pentagon has a perimeter that is 85 ft.  What is the length of one of its sides?

17 ft.

Word Problems

100

Find the difference in perimeter between a regular octagon with side lengths of 4 in. and a regular pentagon with side lengths of 9 in.

13 in

45 - 32

(perimeter of penta - perimeter of oct)

200

I am painting a rectangular wall that measures 16 ft. x 20 ft.  I have already painted 190 ft² of the wall.  How much more do I need to paint?

130 ft²

320 - 190

(total area - already painted area)

300

I am fencing in a triangular piece of a my yard to make a garden.  The dimensions will be 3ft x 4ft x 5ft.  If fencing will cost me $5.25 per foot, how much will it cost me to create a garden in my yard?

$63

12 x 5.25

(perimeter x the cost of the fencing)

400

I created a composite figure that consists of a rectangle and a right triangle.  They share a base of 8 in.  The height of the triangle is 5 in. and the height of the rectangle is 10 in.  What is the area of the composite figure?

100 in²

20 + 80

(area of triangle + area of rectangle)