Formulae

Question 1

how do you calculate the Volume of a cylinder?

Answer 1

pi * r^2 * height

Question 2

how do you calculate the surface area of a cylinder?

Answer 2

2 (pi * r^2) + (pi * diameter * height)

Question 3

how do you calculate the Volume of a pyramid?

Answer 3

1/3 * area of base * height

Question 4

what is the equation of a circle?

Answer 4

x^2 + y^2 = r^2

Question 5

what is the sine rule?

Answer 5

a / sin A = b / sin B

Question 6

what is the cosine rule for a side?

Answer 6

a^2 = b^2 + c^2 - 2bcCosA

Question 7

how do you calculate the area of a triangle?

Answer 7

1/2 * a * b * Sin C

Question 8

what is the quadratic equation?

Answer 8

minus B plus or minus the square root of B squared minus 4AC over 2A

Question 9

how do you calculate the sum of interior angles?

Answer 9

( n − 2 ) × 180

Question 10

how do you calculate the size of an exterior angle ?

Answer 10

360 ÷ number of sides.

Question 11

how do you calculate the volume of a cone?

Answer 11

1/3 * pi * r^2 * height

Question 12

how do you calculate the volume of a cone?

Answer 12

4/3 * pi * r^3

Question 13

how do you calculate the curved surface area of a cone?

Answer 13

pi * radius * slant height