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Mathematics 19 Online
OpenStudy (anonymous):

IM DESPERATE is it a b or c????? METALLLLLLLL see pic

OpenStudy (anonymous):

OpenStudy (anonymous):

is it 12, 21 or 28?

OpenStudy (anonymous):

anyone?

OpenStudy (anonymous):

\[d = \sqrt{(x_2- x_1)^2 + (y_2-y_1)^2}\]substitute each of the points in for the x's and y's then use the length and width and use the formula for an area of a rectangle\[A = lw\]

OpenStudy (anonymous):

so is it 12, 21 or 28??????

OpenStudy (anonymous):

the second one

OpenStudy (anonymous):

21?

OpenStudy (anonymous):

yep

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