 # Copyright©amberpasillas2010. Remove all other thoughts from your mind. Pay close attention. Try all the examples. Ignore all other distractions.

## Presentation on theme: "Copyright©amberpasillas2010. Remove all other thoughts from your mind. Pay close attention. Try all the examples. Ignore all other distractions."— Presentation transcript:

Remove all other thoughts from your mind. Pay close attention. Try all the examples. Ignore all other distractions.

Name # of sides Picture 3 Triangle 4 Quadrilateral 5 Pentagon 6 Hexagon 8Octagon 10Decagon

copyright©amberpasillas2010 Today we are going to find the Area of the Polygons Rectangles & Squares.

How many squares cover this rectangle? height base (h) (b) The area of this rectangle is 12 squares or 12 units squared. Area is the number of square units that are needed to cover the surface of a figure.

copyright©amberpasillas2010 2 units x 6 = 12 units 2. 2 units 6 units Label the dimensions of this rectangle. Area is in units 2 because you are multiplying units.

copyright©amberpasillas2010 2 units 6 units We found the area of the rectangle by multiplying the base times the height. A = bh The area of a rectangle is also known as the length times the width. A = bh is the same as A = lw

copyright©amberpasillas2010 What is the area of the rectangle ? 5 ft. 6 ft. 5 6 x 30ft. 2 30 ft 2 or square feet

copyright©amberpasillas2010 PERIMETER: Is the distance around a figure. in + + + = AREA: Is the square units that cover a figure. length width = in in = in 2 VOLUME: The number of cubic units inside a figure. length width height in in in = in 3 length width length width height squared cubed

copyright©amberpasillas2010 What is the area of the rectangle ? 2 in. 5 in. 2 5 x 10in. 2 10 in 2 or square inches

copyright©amberpasillas2010 A square is a special rectangle. Since the base and the height are the same size, we call them sides ( s ) instead of base and height. s height = s s base = s A= s 2

copyright©amberpasillas2010 What is the area of the square ? 4 m. 4 4 x 16m. 2 16 m 2 or square meters

copyright©amberpasillas2010 What is the area of the square ? 5 in. 5 5 x 25in. 2 25 in 2 or square inches