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Mathematics
OpenStudy (anonymous):

the rectangle shown has a diagonal of 18.4cm and a width of 7cm . to the nearest centimeter , what is the lenght, x of the rectangle ?

OpenStudy (a_clan):

use pythagoras theorem

OpenStudy (anonymous):

that is : a^2 + b^2 = c^2 where c is diagonal of rectangle and a and b are two adjacent sides. put the values and then simplify u would get the answer

OpenStudy (anonymous):

i dont get it

OpenStudy (a_clan):

Consider the rectangle as two triangles which have common hypotenuse, the diagonal

OpenStudy (anonymous):

can you show the work

OpenStudy (anonymous):

cus i' m still not getting it

OpenStudy (a_clan):

OpenStudy (anonymous):

ii*figured i out thnks

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