perimeter

• September 19th 2009, 08:02 AM
aeroflix
perimeter
http://www.collegeboard.com/testing/...0_B3_M2-15.gif
The area of the figure above is http://www.collegeboard.com/testing/...3_M2-15-94.gif. What is the perimeter of the figure?
• September 19th 2009, 09:45 AM
skeeter
Quote:

Originally Posted by aeroflix
http://www.collegeboard.com/testing/...0_B3_M2-15.gif
The area of the figure above is http://www.collegeboard.com/testing/...3_M2-15-94.gif. What is the perimeter of the figure?

draw a vertical line that bisects the top side ...

left square has area = 1

right rectangle has area $\frac{5}{4}$

$P = 6 \frac{1}{4}$
• September 19th 2009, 09:55 AM
bjhopper
perimeter of hexagonal figure
posted by aeroflex

Let xequal the lenght of the jog in the figure. Calculate area of two rectangles in terms of x. The equation equals 9/4. Solve for x. Calculate the perimeter.

bjh
• September 19th 2009, 11:06 AM
Wilmer
Quote:

Originally Posted by bjhopper
Let x equal the lenght of the jog in the figure.

or: 2(1+x) - x = 9/4 ; x*1 = x is area of "cut-off" portion