Download presentation
Presentation is loading. Please wait.
1
Geometry Jacob Barron
2
Area of a square and rectangle
Defintion: The amount of space you need to fill up. The formula is width*height To find the area of a square is width*height To find the area of a rectangle is width*height
3
I want to place grass in my square yard. It's 46ft by 30ft
I want to place grass in my square yard. It's 46ft by 30ft. If a bag of grass cost $20 and covers 100ft. How many bags will I need to cover my yard? 46*30=1380/100 answer=14 bags Example 1
4
Perimeter Definition: All of the edges added up
Add up all edges is how to find the perimeter Formula A+B+C+D=perimeter
5
I want to fence my 640ft yard. A bag of fence cost $20
I want to fence my 640ft yard. A bag of fence cost $20.95 and covers 20ft. How many bags do I need. It is a square yard. Formula is 640/20=p Answer=32 bags Example 2
6
Volume Area of a 3D shape Multiply width*length*height
Formula is W*L*H
7
Example 3 What is the volume of a measuring cup. If the width is 5”,the height is 6”and, the length is 5”. Formula is 5*5*6=volume answer=150”
8
Surface Area The surface area of a solid object is the total area of the object's faces. Multiply all faces then add all them.
9
Example 4 I want find the surface area of my house. If the house is a square and all the sides are 5'. What is the surface area of the house. Formula is 5*6=surface area Answer=30'
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.