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Mathematics 9 Online
OpenStudy (anonymous):

I have some hard Geomery questions that I need someone to explain!!!! thank you!!

OpenStudy (anonymous):

The length of a rectangle is 5 m, and its width is 18 m. What is the area of half of the rectangle? 23 m2 38 m2 90 m2 45 m2

OpenStudy (anonymous):

I am unsure how to do this!!!!

OpenStudy (anonymous):

and this one The perimeter of a rectangle is 10 cm, and its dimensions are tripled. What is the perimeter of the larger rectangle? 12 cm 20 cm 30 cm 10 cm

OpenStudy (anonymous):

what is the area of this rectangle?|dw:1366034475650:dw|

OpenStudy (anonymous):

b=18 and a=5????

OpenStudy (anonymous):

i mean what will be the area if a and b are length and width of rectangle respectively?

OpenStudy (anonymous):

Area=\(a*b\) right?

OpenStudy (anonymous):

ummm......A=lw??

OpenStudy (anonymous):

right :) ok what will be ur answer for first question?

OpenStudy (anonymous):

ooo 90m squared???

OpenStudy (anonymous):

right and half of 90 m^2 will be final answer, right?

OpenStudy (anonymous):

45m squared!! thank you for explaining that :)

OpenStudy (anonymous):

welcome

OpenStudy (anonymous):

d you mind explaining the second question??

OpenStudy (anonymous):

sure

OpenStudy (anonymous):

thanks!! I think it is 20m but for some reason I think its not!!!!

OpenStudy (anonymous):

|dw:1366034949481:dw|right?

OpenStudy (anonymous):

yes! I do remember learining that

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so is each side 10m??

OpenStudy (anonymous):

we dont know what are dimensions, only information is the perimeter of smaller rectangle.

OpenStudy (anonymous):

okay so what do I do next ??

OpenStudy (anonymous):

mukushla??

OpenStudy (anonymous):

well I am going to close this question thanks mukushla for helping with the first one :)

OpenStudy (anonymous):

sorry @space4cadet101 i lost my connection

OpenStudy (anonymous):

its okay :) thanks for your help!! if you still want to explain the second question to me that would be great!! but you don't have to :)

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