Formulas for perimeter, area, surface area, volume

Area of a Parallelogram

• A = 1/2h(b1 +b2)

• A = bh

• A = 1/2bh

• A=lwh

The following formula is for the area of:
A=½bh

• Rectangle
• Circle
• Triangle
• Trapezoid

Tags

CCSS.6.G.A.1

The following formula is for the area of :
A=πr²

• Square
• Cylinder
• Circle
• Triangular Prism

Tags

CCSS.7.G.B.4

Circumference of a Circle

• C=πr²

• C=dπ

• C=2π

• C=rd

Do you add, subtract, multiply or divide the sides to find perimeter?

• add
• subtract
• multiply
• divide

Tags

CCSS.4.MD.A.2

When measuring surface area, what label do you use?

• units

• units²

• units³

When finding the perimeter, what label do you use?

• units

• units²

• units³

What is surface area?

• Inside of the object
• the sum of all the areas of all the shapes that cover the surface of the object.
• Something Beyonce made up?
• Surface area is what you get when you boil unicorn tears. 

Tags

CCSS.HSG.GMD.A.1

The distance around an object is called the

• area

• perimeter

• volume

Which formula should you use to find the lateral surface area of a cylinder?

• S = 2πrh

• S = 2πrh + 2πr²

• S = 2πr

• S = πd