Surface Area of Rectangular Prisms using formula

What is the "formula" for surface area of a rectangular prism?

• SA = 2lw + 2lh + 2wh
• SA = lw + lh + wh
• SA = length ∙ width
• SA = lw + lh + wh ÷ 2

Find the surface area of the following rectangular prism.
Length = 3 cm
Width = 4 cm
Height = 5 cm

• 47cm²
• 60cm²
• 94cm²
• 94 cm³

This clear shoe box has the following dimensions:
Length = 25 cm
Width = 9 cm
Height = 13 cm

What is its surface area? 

• 2,925 cm²
• 667 cm²
• 1,334 cm²
• Wow...cool shoes! LOL :-)

Tags

CCSS.7.G.B.6

Find the surface area.

• 130 cm³
• 130 cm²
• 65 cm²
• 260 cm ³