Areas and perimeters

Formulas for Geometry Mr. Ryan

Don’t Get Scared!!! ,[object Object],Free powerpoint template: www.brainybetty.com

Perimeter ,[object Object],Free powerpoint template: www.brainybetty.com

Perimeter ,[object Object],Free powerpoint template: www.brainybetty.com 8 8 8 8+8+8=24 The Perimeter is 24

Perimeter ,[object Object],Free powerpoint template: www.brainybetty.com 12 12 12 12 12+12+12+12=48

Perimeter ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com

Remember ,[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com

The Same!! ,[object Object],Free powerpoint template: www.brainybetty.com 15

Square/Rectangle Formula ,[object Object],[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com 14 25 20

Other shapes ,[object Object],Free powerpoint template: www.brainybetty.com 10 8 sides, each side 10 so 10+10+10+10+10+10+10+10=80

Odd shapes ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com 25 15 5 25+25=50 (for Length) 15+5+15+5=40 (for Width) Perimeter=90

Area ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com

AREA ,[object Object],Free powerpoint template: www.brainybetty.com 1 2 units (ft, in, m) 2 3 4

Area of Squares/Rectangles ,[object Object],Free powerpoint template: www.brainybetty.com 2 Length(2) xWidth(2) = 4 square units

Parallelogram Area ,[object Object],Free powerpoint template: www.brainybetty.com

Parallelogram Area ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com BASE (length) Height (width) 8 5 Base 8 x Height 5 = Area 40 The diagonal line is NOT the height!!!

REAL formula for area of squares ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com Side one Side two

Different Names/Same idea ,[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com

Area of a Triangle ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com Base Height Height Base 8 5 ½ Base x Height = Area ½ (8) x 5 = Area 4 x 5 = 20

Area of a Circle ,[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com

Circumference of a Circle ,[object Object],[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com If the radius is 5, then the diameter is 10

Area of a circle ,[object Object],[object Object],Free powerpoint template: www.brainybetty.com Radius 5 Area=3.14 x (5 x 5) Perimeter = 3.14 x 10

You’re Done ,[object Object],[object Object],[object Object],Free powerpoint template: www.brainybetty.com

 ,[object Object],Free powerpoint template: www.brainybetty.com

Free powerpoint template: www.brainybetty.com This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

Areas and perimeters

Recommandé

Recommandé

Contenu connexe

En vedette

En vedette (19)

Similaire à Areas and perimeters

Similaire à Areas and perimeters (20)

Plus de Brenda Obando

Plus de Brenda Obando (20)

Areas and perimeters