Chapter 3 Review

Formulas

100

What is the formula for a rectangle?

L x W

200

What is the formula for a triangle?

B x H ÷ 2

300

What is the formula for a circle using the radius?

π x r²  or  π x r x r

400

What is the formula for a rectangular prism?

2(L x W) + 2(L x H) + 2(W x H)

500

What is the formula for a cylinder?

2(πr²) + 2(πrh) 

Rectangles and triangles

100

What is the area of a rectangle with a length of 7cm and a width of 11cm

77cm²

200

What is the area of a triangle with a height of 8cm and a base of 4cm

16cm²

300

What is the area of a door if the door is 9ft high and 4ft wide

36ft²

400

What is the area of a square with a length of 12in

144in²

500

What is the area of a kite if the kite is 12in wide and 8in long

48in²

Circles

100

What is the area of a circle with a radius of 5cm

78.5cm²

200

What is the area of a circle with a radius of 10cm

314.2cm²

300

What is the area of a circle with a diameter of 14in

153.9in²

400

What is the area of a circle is the diameter is 28cm

615.8cm²

500

What is the area of a circle in the radius is = to 4² cm

804.2cm²

3d shapes

100

What is the area of a rectangular prism with a width of 5cm, a height of 5cm, and a length of 10cm

250cm²

200

What is the area of a rectangular prism with a length of 12cm, a width of 4 cm and a height of 7cm

320cm²

300

What is the area of a cube with a width of 4cm

96cm²

400

If you have a cylinder that has a radius of 4cm and a length of 10cm what is the area of the cylinder

351.9cm²

500

If you have a pringles can that is 9in tall and 3in wide, what is the area of your pringles can

99in²

Conversions

100

How many cm² are in 100mm²

1cm²

200

How many ft² are in a yd²

9ft²

300

how many cm² are in 3m²

30,000cm²

400

How many in² are in 13 ft²

1872in²

500

How many in² are in 4yd²

5184in²