Equations

Question 1

What is the area of a rectangle

Answer 1

Length x width

Question 2

What is the area of the parallelogram

Answer 2

Base x height

Question 3

What is the area of triangle

Answer 3

0.5 x base x height

Question 4

What is the volume of a cuboid

Answer 4

length x width x height

Question 5

What is the volume of an prism

Answer 5

area of cross section x length

Question 6

What is the volume of a cylinder

Answer 6

3.142 x radius squared x height

Question 7

What is the volume of a pyramid

Answer 7

1/3 x area of base x height

Question 8

What is the circumference of an circle

Answer 8

2 x 3.142 x radius or 3.142 x diameter

Question 9

What is the Pythagoras theorem

Answer 9

a squared + b squared = c squared

Question 10

What equation links speed, distance and time

Answer 10

speed= distance/time

Question 11

What equation links density, mass and volume

Answer 11

density=mass/volume

Question 12

What equation links pressure,force and area

Answer 12

pressure=force/area

Question 13

What is the quadratic formula

Answer 13

x= -b + square root of b squared - 4ac/ 2a

Question 14

What is the sin ratio

Answer 14

sin x=opp/hyp

Question 15

What is the cos ratio

Answer 15

cos x= adj/hyp

Question 16

What is the tan ratio

Answer 16

tan x= opp/adj

Question 17

What is the sine rule

Answer 17

a/Sin A =b/Sin B = c/Sin C

Question 18

What is the cosine rule

Answer 18

a squared= b squared + c squared 2bc Cos A

Question 19

What is the area of triangle in trigonemtry

Answer 19

0.5 x ab x SinC