Formulas and Units

Which of the following formulas is used to find the area of a circle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr

Tags

CCSS.7.G.B.4

Which of the following formulas is used to find the area of a rectangle?

• A = πr²

• A = l⋅w

• A = b⋅h/2

• A = 2πr

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of the following triangle:

• 12 units²

• 6 units²

• 20 units²

• 12 units²

Tags

CCSS.6.G.A.1

• 1
• 2
• 3
• 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

The thermometer below shows the temperature in degrees Celsius. Using the formula F=1.8C+32, which is the closest to the temperature reading in degrees Fahrenheit?

• 60°

• 70°

• 90°

• 100°

Tags

CCSS.7.EE.B.4A

Choose the best choice.

• 1

• 2

• 3

• 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Find the area of the following circle:

• 4π ft²

• 16π ft²

• 2π ft²

• 8π ft²

Tags

CCSS.7.G.B.4

Find the area of a square with a side length of 5 ft.

• 5 ft²

• 10 ft²

• 15 ft²

• 25 ft²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of the following circle:

• 9 in²

• 12 in²

• 36 in²

• 6 in²

Tags

CCSS.7.G.B.4

Find the perimeter of the following triangle:

• 12 units

• 6 units

• 20 units

• 12 units

Tags

CCSS.3.MD.D.8