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Area

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by

Raul Munoz

on 11 December 2013

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Transcript of Area

Area & Perimeter
Equation
L × W = A
Problem
l= 7
w=2
A=?
What is Area
Definition: In mathematics the area of a plane figure refers to the number of square units the figure covers. The area is the inside shape or space measured in square units. In rectangles and in squares, a simple calculation of length times width will give the number of square units. The square units could be inches, centimeters, yards etc. or whatever the requested unit of measure asks for. There are many formulas used to determine the area of many common shapes or polygons.

A= 14

L= length
W= width
Questions?
The way you solve this is you plug in what your given into the equation
then you solve the equation
Steps
What Perimeter
The perimeter is the outline of an object
THANK YOU FOR LISTENING
Equation
Steps
Relation Ship of
Area & perimeter
Relationship with carpentry
2L+2W=P
Plug in all the things your given
L=5
W=2
P=?
P=14
P
Problem
Both Area and Perimeter have a massive impact on many of the things that you do for example:
Examples of relationship of area
When a person is painting a wall.
In this situation the person would have to calculate the amount of materials that you need.
Relationship between perimeter and carpentry
How much wall does the paint for each bucket cover?
how much wall can each person cover every hour?
Both of these will tell how much man hours you will need to pay for and how many buckets do you need ?
Area of a triangle
L X W =A
(B x H)/2 = A
B= Base
H= Height
Find The Area of a square
Problem 2
Find the area of the triangle
B=5
H=6
A=?
Steps
First you have to plug in all of the things that you are given
Then you solve
A=15
Don't forget to divide by 2
When you make a form you need to know how long, tall, and wide you want the object to be. So that the form is do correctly. Therefor you will need to know how to use perimeter.
7
3
3
6
10
25
55
4
Both Area and Perimeter share the same numbers,but other than that they share no Relationship.
This is only correct when you are working with an objects that is like a square.
This dose not apply when using triangle shaped shapes.
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