Flashcards in Maths Yr 10 Deck (20)

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1

## How do you do compound interest?

### Starting number x 1.0(percentage)=answer

2

## What do the exterior angles of a polygon add up to?

### 360 degrees

3

## Index laws rules

###
G^5 + G^2 = G^7

H^6/H^2= H^4

(K^4)^2 = K^8

4

## How to factorise

###
A^2 + BX + C

+/- to make B

x to make C

5

## Area of a circle

### |-|R^2

6

## Circumference

### |-|d

7

## Area of a sector

### X/360 x |-| x R^2

8

## Length of an arc

### X/360 x |-| x d

9

## Area of trapezium

### 1/2(a+b)h

10

## Area of a parallelogram

### Base x height

11

## Area of triangle

###
Base x height

______________

2

12

## Volume of prism

### Area of cross section x depth

13

## What is pythagoras' theorem

### a^2+b^2=c^2

14

## Volume of a pyramid

###
Area of base x height

______________________

3

15

## Volume of a cone

###
|-| x r^2 x h

____________

3

16

##
Surface area of sphere

Volume of a sphere

###
4 x |-| x r^2

4 x |-| x r^3

____________

3

17

## Volume of prism

### Arc of cross section x height

18

## Volume of cylinder

### |-| x r^2 x h

19

## Gradient

###
Change in y

_____________

Change in x

20