Name __________________ hr___
Lesson 8.2 – Surface Area of Rectangular Prisms
Rectangular Prism:
Triangular Prism:
Surface area is the ______ of ALL the areas of the faces. It is measured in ________ _______!
Net: You can use a ______ - _______________________ representation of a solid to find the
S____________ A________ of the solid!
*Example of a prism and its corresponding net:
Finding the Area of a Rectangular Prism:
Step 1: Use the __ __ __ to find the area of each __ __ __ __.
Step 2: Identify the area of each face.
Net:
Top: ________________ = ________in²
Bottom: ________________ = ________ in²
Front: ________________ = ________ in²
Back: ________________ = ________ in²
Side: ________________ = ________ in²
Side: ________________ = ________ in²
Step 3: Find the sum of the areas of the faces.
________ = _______ + _______ + ________ + ________ + _______ + _______
Find the surface area of the rectangular prism below. Build a NET first. Label it.
a.
Surface Area: ________ = _______ + _______ + ________ + ________ + _______ + _______
b.
c.
Area of bottom: _________ = ______ __
Area of bottom: _________ = ______ __
Area of top:
Area of top:
_________ = ______ __
_________ = ______ __
Area of left side: _________= ______ __
Area of left side: _________= ______ __
Area of right side: ________= ______ __
Area of right side: ________= ______ __
Area of front: ___________= ______ __
Area of front: ___________= ______ __
Area of back: ___________= ______ __
Area of back: ___________= ______ __
Surface Area = sum of each face
SA = ___________ ___