Basics of Surface Area

In the equation: SA = Ph + 2B, what does the B stand for?

• base

• area of base

In the equation:  SA = Ph + 2B, why are you multiplying B by 2?

• Just because it's the formula.

• It is multiplying B by 2 because there are two bases.

• It's just the number 2.

The formula for Lateral Surface Area of Prisms is LS=Ph. What does P stand for?

• Perimeter

• Perimeter of the BASE

• Perimeter of the Lateral Faces

• Perimeter of the Sides

Lateral surface area is ________________

• The area of just the bases of the prism/cylinder

• The area of all the faces of the prism cylinder

• The area of the sides of the prism/cylinder

Total surface area is ______________

• The area of just the bases of the prism/cylinder

• The area of all the faces of the prism/cylinder

• Just the sides of the prism/cylinder

Jesse needs to wrap the present shown below. How much wrapping paper would he need?

Which formula can be used to find the surface area of the present?

• SA=Ph+2B

• SA=2πrh+2πr²

• SA=Ph

• V=Bh

What is the area of the lateral faces?

• 56 cm²

• 80 cm²

• 136 cm²

• 96 cm²

What does "P" stand for in the surface area formulas?

• Perimeter

• Parallel

• Perimeter of the Base

• Pi

What are the dimensions of the lateral faces?

• 5x8, 5x8, 7x8

• 5x8, 5x8, 5x8

• 5x5, 5x8, ,5x7

• 5x7, 5x7, 8x5

Surface area is.....

• Filling in a 3 dimensional shape

• Wrapping the outside of a 3 dimensional shape