Surface Area of Prisms
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What is Surface Area?
It's the total area of all the faces on a 3D shape. Unfold it to see!
Slide to unfold
Pairs of Faces
A rectangular prism has 3 pairs of identical faces.
Tap matching faces to color them.
Calculate the Areas
Find the area of each face using the dimensions.
Drag area labels to the correct faces.
W = {{ rectDims.w }}
L = {{ rectDims.l }}
H = {{ rectDims.h }}
{{ placedAreas[key] }}
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Triangular Prism Total
Add the areas of the 2 triangles and 3 rectangles.
Enter the total surface area.
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Master of Prisms!
You've successfully learned how to unfold 3D shapes and calculate their total surface area.