Length around the outside A border

Picture frame

Add all sides together

+

++

+

500 yrd

1,000 yrd

P=1000+1000+500+500

=3000 yards

http://www.turnstiles.us/index-old.htm

http://www.gundogsupply.com/prf-304w-.html

Space (a 2-D object) takes up/covers

*(In square units)Frame with picture

Square/RectangleA=b*h

b=baseh=height

h

b

94 ft

50 ft

A=94*50

=4700 square feet

http://www.gundogsupply.com/prf-304w-.html

http://www.realbuzz.com/articles/how-playing-basketball-gets-you-fit/

TriangleA=1/2*b*h

b=baseh=height

h

b

b

h

3in

3 in

A=1/2*3*3

=4.5 square inches

http://commons.wikimedia.org/wiki/File:Isosceles-right-triangle.jpg

http://www.ehow.com/how_4714451_fold-fancy-napkin.html

h=1000mi

b=1000mi

A=1/2*1000*1000

=500,000 square miles

http://www.bermudastyles.com/bermuda/the-bermuda-triangle.php

Circumference=2∏rr=radius

∏=3.14 (constant)

http://www.newbedford.k12.ma.us/elementary/gomes/stjohn/Subjects/Math/Geo/Geometry%20Worksheets.html

C=2*3.14*2

=12.56 ft

http://www.freakingnews.com/Hula-Hoop-Kittens-Pictures-43539.asp

4 ft

Diameter=4ftRadius=2 ft

Area=∏r2

r=radius∏=3.14

4in

A=3.14*4*4

=50.24 square inches

http://www.teamdc.org/TeamLinks.htm

Squares/Rectangles/Triangleshttp://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html

Area Circle http://www.factmonster.com/math/knowledgebox/player.html?movie=sfw41560

Circumference Circle http://www.factmonster.com/math/knowledgebox/player.html?movie=sfw41551

Complex shapesArea and perimeter