What is AREA?????

area_rectangles.flp

How would you calculate the area of this?

AREA-

Area involves the SPACE inside of a 2-D object-The units involved are ALWAYS squared

Area of a paralleogram = bh

Take note that the HEIGHT of an object is the perependicular to the base.

b

h

8.1 and 8.2- Area

ALL you are doing is applying formulas to problems to solve for a missing piece

There are certain steps that are REQUIRED: 1. Write down the BLANK formula you pick2. FILL in the info you have (as a result ONE variable should be left--that

is what you are solving for)3. Then using ALGEBRA solve for the missing variable4. Answer and units

EX. A=1/2 bh A = 1/2 (4)(6) A= 12 cm2

4

6

the whole base

7

So piece by piece the formulas needed.......

Name Formula Variables Diagram

Many of these problems require you to THINK!!!!It will not be as easy as "find the area"

Some will ask you to find the area of 2 shapes and add or subtract them.

Some will give you the Area and ask you to work backwards.

Area is 24cm2What is the base?

6

b

22

40

105

21 cm

32 cm

12 cm

35 cm11 cm

Find Area

13cm 13cm

d1 = 46

14 cm

14 cm

Area = 224 cm2Find diagonal 1