Maths equations

4.5(2)
studied byStudied by 21 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/29

flashcard set

Earn XP

Description and Tags

A list of maths equations -GCSE level😕😕

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

30 Terms

1
New cards

Area of a square, rectangle and parallelogram

bh

2
New cards

Area of a trapezium

h(a+b)/2

3
New cards

Area of a triangle

½bh

4
New cards

Area of a circle

πr²

5
New cards

Area of a sector

θ/360πr²

6
New cards

Circumference of a circle

2πr

7
New cards

Length of an arc

θ/360πd

8
New cards

multiplier

100±percentage/100

9
New cards

Compound interest

Amount= initial amount x multiplierⁿ

10
New cards

Simple interest

percentage x amount x years

11
New cards

Percentage change

Actual amount/original amount x 100

12
New cards

Sum of interior angles of an n-sided polygon

(n-2)180°

13
New cards

Exterior angle of an n-sided polygon

360/number of sides

14
New cards

Pythagoras' theorem

c²= a²+b²

15
New cards

Volume of a prism

Area of cross section x length

16
New cards

Linear equation

y= mx+c

17
New cards

Gradient

change in y/ change in x

18
New cards

Midpoint of a line segment

(x₁ + x₂ /2 , y₁ + y₂/2)

19
New cards

Quadratic equation

ax²+bx+c

20
New cards

Circle graph

x²+y² = r²

21
New cards

Volume of a cylinder

πr²h

22
New cards

Surface area of a cylinder

2πr²+2πrh

23
New cards

Volume of a pyramid

1/3 x base area x height

24
New cards

Surface area of a pyramid

Area of base + area of all other sides

25
New cards

Volume of a cone

1/3πr²h

26
New cards

Curved surface area on a cone

πrL

27
New cards

Surface area of a cone

πrL + πr²

28
New cards

Density

Mass/volume

29
New cards

Pressure

Force/area

30
New cards

Speed

Distance/time