Maths Equation

Question 1

Area of a rectangle

Answer 1

Length × width

Question 2

Area of a paralleogram

Answer 2

Bass × height

Question 3

Area of a triangle

Answer 3

Bass × height ÷ 0.5

Question 4

Area of a trapezium

Answer 4

0.5 ( a + b ) hight
a - top
b - bottom

Question 5

Volume of a cubiod

Answer 5

Lenght × width × height

Question 6

Volume of a prism

Answer 6

Area of cross section × lenght

Question 7

Volume of a cylinder

Answer 7

Pie × r2 × hight

Question 8

Compound measures

Speed

Answer 8

Speed = distance ÷ time

Question 9

Compound measures

Density

Answer 9

Density = mass × volume

Question 10

Compound measures

Pressure

Answer 10

Pressure = force × area

Question 11

Circles

Circumference

Answer 11

Pie × diameter = pie d

Question 12

Circles

Circumference 2

Answer 12

2 × pie × radius = 2 pie r

Question 13

Circles

Area of a circle

Answer 13

Pie × radius squared = pie r2

Question 14

Pythagoras
Pythagoras’ theorem
For a right-angled triangle

Answer 14

a2 + b2 = c2

Question 15

Pythagoras
Trig
Sin

Answer 15

Sin x degree = opp ÷ hyp

Question 16

Pythagoras
Trig
Cos

Answer 16

Cos x degree = adj ÷ hyp

Question 17

Pythagoras
Trig
Tan

Answer 17

Tan x degree = opp ÷ adj

Question 18

B.I.D.M.A.S

Answer 18

Brackets. Indices. Division. Multiplication. Addition. Subtraction.