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volume of a sphere

Volume of a sphere

The volume of a sphere can be calculated using the following formula V = (4÷3) x Π x r3 Where V = Volume (m3) Π = Pi (3.142 approx) r...
Volume of a cyclinder

Volume of a Cylinder

You can calculate the volume of a cylinder using the following formula V = ∏ x r2 x H Where: V = Volume Π = Pi (3.142 approx) r = radius H...
Arc length, how to calculate

Arc length, how to calculate

You can calculate the length of an arc quite simply, but how you calculate it depends if the angle of the arc is measured...

Area of a Rhombus

To calculate the area of a Rhombus, you just need to drop two numbers into the following formula: A = (w x h) ÷ 2 Where: A...

Area of a rectangle

How to find the area of a rectangle The area = Height x Width Example: Height = 10 cm Width = 20 cmArea = 10 cm x 20...
Area of an annulus or pipe

Area of an annulus

How to find the area of an annulus The area = π x (Outer Radius 2 - Inner radius 2) Example: π = 3.14 Outer Radius = 10 cm Inner radius = 8 cm Area =...
Area of a Parallelogram, how to calculate

Area of a Parallelogram

How to calculate the area of a Parallelogram. It's very simple to calculate the area of a Parallelogram, you just need to use the following formula. A =...

Area of a square

How to find the area of a square The area = Height x Width Example: Height = 10 cm Width = 10 cm Area = 10 cm x 10 cm ANSWER...
volume of a cube

Volume of a Cube

Because the Length, width and height of a cube are all the same length, the volume of a cube can be calculated using the...
circumference of a circle

Circumference of a circle

How to calculate the circumference of a circle. The circumference of a circle can be calculated using the formula: 2 x π x r Where π (pi) = approx 3.14 and...