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# Mathematics

All mathematical subjects

### 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 sector

The area of a sector can be calculated with the following formula: If calculated in degrees: A = (Θ ÷ 360) x (Π x r2) If calculated in radians: A...

### 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...

### 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...

### Volume of a cone

The volume of a cone can be calculated using the following formula Volume = (1÷3) x Π x r2 x h Where: Π = pI (3.14) r = radius h...

### 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 segment

The area of a segment can be calculated using the following formula If using degrees: A = (r2 ÷ 2) x ((Π ÷ 180 x Θ) - sin Θ) If...

### 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...

### Area of an Ellipse

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

### 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...