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Mathematics 7 Online
questioncovebot2:

@az

questioncovebot2:

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AZ:

First we would need to find the width of the larger triangle Since they're in the same proportions, \(\dfrac{1.8}{x} = \dfrac{ 6.2}{12.4}\) solve for x remember \(\dfrac{a}{b} = \dfrac{c}{d}\) then \( ad = bc\) so what is x that would be our width and then perimeter = length + length + width + width or p = 2l + 2w

questioncovebot2:

width is 3.6?

questioncovebot2:

perimeter=2*3.6+2*12.4=32

AZ:

yes and so perimeter = 3.6 + 3.6 + 12.4 + 12.4

AZ:

You got it!

questioncovebot2:

THNAK YOU

AZ:

You're welcome!!

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