Question

Write all the formulae related to mensuration .

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Answer 1

Formulas of MensurationArea of Square:

A = a2

AAreaasidePerimeter of Square:

P = 4 × a

PPerimeterasidePerimeter of the Rectangle:

P= 2 × ( L+B)

Where,

PPerimeterLLengthBBreadthArea of the rectangle:

A= L× B

AAreaLLengthBBreadthSurface area of a cube:

S = 6 × A2

Where,

SThe surface area of a cubeALength of the side of a cubeSurface Area of a Cuboid:

S =2 × (LB + BH + HL)

Where,

SSurface Area of CuboidLLength of CuboidBBreadth of CuboidHHeight of CuboidSurface Area of a Cylinder:

S= 2 × π × R × (R+H)

Where,

SSurface Area of CylinderRThe radius of Circular BaseHHeight of CylinderSurface Area of a Sphere:

S =4 × π × R2

Where,

SSurface Area of SphereRRadius of SphereSurface Area of a Right circular cone:

S = π × r(l+r)

Where,

SSurface Area of ConeRThe radius of Circular BaseLSlant Height of Cone

 

Volume of a cube:

V = A3

Where,

VVolume of cubeAside of cubeVolume of Cuboid:

V = L × B × H

VVolume of CuboidLLength of CuboidBBreadth of CuboidHHeight of CuboidVolume of a Cylinder:

V= π × R2 × H

Answer 2

Answer:

Mensuration is the branch of mathematics which deals with the study of Geometric shapes, their area, volume and related parameters. This formulas is also knows as “Heron's formula”. Where a = length of two equal side , b= length of base of isosceles triangle.