Question 1

Write down the volume of a sphere

Accepted Answer

$v=\frac{4}{3} \pi r^3$

Question 2

Write down the surface area of a sphere

Accepted Answer

$A=4 \pi r^2$

Question 3

Write down the volume of a cone

Accepted Answer

$V=\frac{1}{3}\pi r^2h$

Question 4

What is the formula used to calculate the curved surface area of a cone?

Accepted Answer

$A=\pi r l$

Question 5

In words, write down how you would calculate the volume of a pyramid?

Accepted Answer

Multiply the area of the base by the perpendicular heigh. Divide your answer by three.

Question 6

Write down the sine rule

Accepted Answer

$\frac{a}{sinA}$ =$\frac{b}{sinB}$ =$\frac{c}{sinC}$

Question 7

Write down the cosine rule

Accepted Answer

$a^2=b^2+c^2-2bc \enspace cosA$

Question 8

Write down the solution of the quadratic equation

Accepted Answer

$x=\frac{-b\pm\sqrt{b^2 -4ac}}{2a}$

Question 9

Write down the formula used to calculate the area of ANY triangle

Accepted Answer

$\frac{1}{2}ab\enspace sinC$

Related quizzes