Given a cuboid with sides:

a = 5, b = 7, c = 8

Calculate the Surface Area, Volume and Diagonals

Definition of a Cuboid:

A convex polyhedron bounded by

six quadrilateral faces

Cuboid Picture:

Calculate Cuboid Volume:

Volume = a x b x c

Evaluate Volume

Volume = 5 x 7 x 8

Volume = 280

Calculate Surface Area:

Surface Area = 2(ab + bc + ca)

Evaluate Surface Area

Surface Area = 2(5(7) + 7(8) + 8(5))

Surface Area = 2(35 + 56 + 40)

Surface Area = 2(131)

Surface Area = 262

Calculate ab face diagonal length:

dab = √a2 + b2

dab = √52 + 72

dab = √25 + 49

dab = √74

dab = 8.6023252670426

Calculate ac face diagonal length:

dac = √a2 + c2

dac = √52 + 82

dac = √25 + 64

dac = √89

dac = 9.4339811320566

Calculate bc face diagonal length:

dbc = √b2 + c2

dbc = √72 + 82

dbc = √49 + 64

dbc = √113

dbc = 10.630145812735

Calculate Space Diagonal:

dabc = √a2 + b2 + c2

dabc = √52 + 72 + 82

dabc = √49 + 64 + 64

dabc = √177

dabc = 13.30413469565

Other Properties:

Faces = 6

Edges = 12

Vertices = 8


Volume = 280
Surface Area = 262
b
c

dabc = 13.30413469565


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What is the Answer?
Volume = 280
Surface Area = 262
b
c

dabc = 13.30413469565
How does the Cuboid Calculator work?
Free Cuboid Calculator - Calculates the volume, surface area, diagonals, and space diagonal for a cuboid
This calculator has 3 inputs.
What 2 formulas are used for the Cuboid Calculator?
Volume = a x b x c
Surface Area = 2(ab + bc + ca)
What 6 concepts are covered in the Cuboid Calculator?
cube
solid three-dimensional figure, which has 6 square faces, 8 vertices and 12 edges
cuboid
A six-faced solid. Its faces are quadrilaterals
diagonal
line segment that goes from one corner to another, but is not an edge
side
line segment joining two vertices in a polygon also known as an edge
surface area
the amount of space covering the outside of a three-dimensional shape.
volume
quantity of 3-dimensional space
Example calculations for the Cuboid Calculator
Cuboid Calculator Video

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