Mensuration

Learn how to measure the Area and Perimeter of 2D figures and Surface Area and Volume of 3D figures.

Square:

Area:  2 × Length

Perimeter:  4(Length) or ( L+L+L+L )

 

Rectangle:

Area:  L×B

Perimeter:  2(L+B) or (L+L+B+B)

 

Triangle:

Area: × Base × Height

Perimeter: Sum of all three sides.

Circle:

Area: 

Circumference: 

 

Semi Circle:

Area:

Perimeter: 

 

Parallelogram:

Area: base × height

Perimeter: 2 (a+b) or Sum of all sides.

Trapezium:

Area: (a+b) h

Perimeter: Sum of all sides

 

Cube:

Surface Area: 6L²

Volume: L³ or L × L × L

 

Cuboid:

 Surface Area: 2 (BL+BH+LH)

Volume: L × B × H

Cylinder:

Surface Area:  

Total Surface Area: 

 

Prism:

Surface Area: (Perimeter of the base area (p) + 2 (base area))

Volume: Base area × height

 

Sphere:        

Surface Area:

Volume:

For Hemisphere:

Surface area:

Volume:

 

 

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