Different types of graphs

What are graphs and what are they used for?Graphs and charts are visuals that show relationships between data and are intended to display the data in a way that is easy to understand and remember. People often use graphs and charts to demonstrate trends, patterns and relationships between sets of data.

Here are some example's of different kinds of graphs and charts such as Pie graphs,bar graphs,line graphs and donut chart.

1.what is a Pie graph and what is it in use for?

Pie charts can be used to show percentages of a whole, and represents percentages at a set point in time. Unlike bar graphs and line graphs,pie charts do not show changes over time.

2.What is a bar graph and what is it used for?

Bar graphs are used to compare things between different groups or to track changes over time.A bar chart is a graph with rectangular bars. The graph usually compares different categories.

3.what is a line graph and what is it used for?

Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. 

4.What is a Donuts chart and what is it used for?

Donut charts are used to show the proportions of categorical data, with the size of each piece representing the proportion of each category.

Circle and terminalogy

 How I do calculate the circumference of a circle?

Formule based= using radius

                            circumference = 2𝛑r

                            Using diameter= 

Radius = 26000mm

Diameter = 520000

PI = 22/7 or 3.141

To convert the radius from cm to M I am going to divide it by 100

26000/100 = 260 m

Cir 2 x PI x 260

=1633.62817987

Area of 3 basic shapes

Area 

The area can be defined as the space occupied by a flat shape or the surface of an object

Triangle:

Rectangle:

Circle:

Square:

Volume of a Rectangle

 How to work out Volume

1.What do we mean by Volume?

Volume is the amount of space inside of an object so like a 3d shape if we want to measure the volume of a square we need to measure how much is inside of it.

2.How do we measure Volume?

 To find the volume, you multiply length times width times height to get the total volume inside of the 3d Object.

3.How to find the area of a circle?

The area of a circle is pi times the radius squared (A = π r²).

Can we convert Volume into Litres?

The volume in liters is equal to the cubic inches multiplied and What I got from the internet is you Multiply by 0.016387.Cubic inches and liters are both units used to measure volume.

What is the Volume of the Pool?

Length=8m

width=3m

Height=1.2m

-Working=3x8x1.2=28.8

28.8x1000=28800mL