2 years ago

Please help w these I’m not too sure

Mathematics

1 answer:

Nataly_w [17]2 years ago

8 0

9) first option 10)last option

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Jamal is making two paintings using canvases that are similar rectangles. The length of the smaller canvas is 3 ft and the width

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Let's start with what we know:

Smaller canvas:
Length ( $L_{1}$ ) = 3ft
Width ( $W_{1}$ ) = 5ft

Larger canvas:
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Since these are similar rectangles, we can cross-multiply to calculate the missing length. Here's that formula:

$\frac{ L_{1} }{ L_{2} } = \frac{ W_{1} }{ W_{2} }$
So let's plug it all in from above:

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Now we cross multiply by multiplying the top-left by the bottom-right and vice versa:

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