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Mathematics 7 Online
OpenStudy (anonymous):

What is the area in square inches of a rectangle with a length of 6.3 feet, and a width of 2.5 feet? A.189 in2 B.2268 in2 C.15.75 in2 D.141.75 in2

OpenStudy (anonymous):

just checking. do i do \(6.3*2.5?\)

OpenStudy (texaschic101):

Area of a rectangle is L * W A = 6.3 * 2.5 A = 15.75 ft2 which, according to this calculator converting sq ft to sq in : http://www.metric-conversions.org/area/square-feet-to-square-inches.htm resulting in A = 2268 in2

OpenStudy (anonymous):

it is C. except that i need it in square INCHES i dont know how to change that from squared feet to Squared inches

OpenStudy (anonymous):

u mean B.?

OpenStudy (texaschic101):

yes.....15.75 ft2 is equal to 2268 in2

OpenStudy (anonymous):

ok thx. can you help me on a little bit more?

OpenStudy (texaschic101):

I can try

OpenStudy (anonymous):

thx. :D

OpenStudy (anonymous):

OpenStudy (texaschic101):

Area of a parallelogram is base * height....here, your base = 2 cm and your height = 2.9 cm. So, 2 * 2.9 = 5.8 cm^2

OpenStudy (anonymous):

so 5.8?

OpenStudy (anonymous):

cm^?

OpenStudy (texaschic101):

yep...5.8 cm2

OpenStudy (texaschic101):

whoa...you changed your avatar....this one looks cool also

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

blinking neko

OpenStudy (anonymous):

OpenStudy (anonymous):

@Kealii808 @bbcream14

OpenStudy (anonymous):

d

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

OpenStudy (anonymous):

16

OpenStudy (anonymous):

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

\[ \Huge\begin{array}l\color{red}{\text{P}}\color{orange}{\text{l}}\color{#E6E600}{\text{e}}\color{green}{\text{a}}\color{blue}{\text{s}}\color{purple}{\text{e}}\color{purple}{\text{ }}\color{red}{\text{h}}\color{orange}{\text{e}}\color{#E6E600}{\text{l}}\color{green}{\text{p}}\color{blue}{\text{}}\end{array} \]

OpenStudy (texaschic101):

I am not sure...I am not the best at geometry...I am getting 151.20 in2...you need to get a second opinion

OpenStudy (anonymous):

anyone else?

OpenStudy (anonymous):

awnser is c.

OpenStudy (texaschic101):

I took the area of the entire rectangle ... l * w...12.6 x 14 = 176.40...I then found area for unshaded region : 8.4 x 3 = 25.20.....and subtracted it and got 151.20 in2

OpenStudy (anonymous):

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\]

OpenStudy (anonymous):

OpenStudy (anonymous):

please help me

OpenStudy (anonymous):

anyone?

OpenStudy (anonymous):

awnser is 80

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

sorry I was bussy

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