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📏 Surface Area Calculator
Select a Shape
Sphere
Cube
Cylinder
Cone
Rectangular Prism
Triangular Prism
Square Pyramid
Radius (r)
Side Length (a)
Radius (r)
Height (h)
Radius (r)
Height (h)
Length (l)
Width (w)
Height (h)
Triangle Side 1 (a)
Triangle Side 2 (b)
Triangle Side 3 (c)
Prism Height (h)
Base Side (s)
Height (h)
Calculate Surface Area
Results
Surface Area:
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square units
Formula:
4πr² (Sphere)
Calculation Breakdown:
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