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anonymous
 one year ago
A rectangle & a equilateral triangle each have at least one side that is 6 inches long. Their permiters are equal. How do I find the area ?
anonymous
 one year ago
A rectangle & a equilateral triangle each have at least one side that is 6 inches long. Their permiters are equal. How do I find the area ?

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Nnesha can u help me again ?

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1Each has a side that is 6 inches long. Since the triangle is equilateral, that tells us that all sides are 6.

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1We'll label the width or the length of the rectangle as 6, but not both. It doesn't matter which.

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1Let's calculate the perimeter of each shape.\[\large\rm \color{royalblue}{P_{\square}=6+w+6+w}\]\[\large\rm \color{green}{P_{\triangle}=6+6+6}\]They tell us that the perimeters are equal:\[\large\rm \color{royalblue}{P_{\square}}=\color{green}{P_{\triangle}}\]\[\large\rm \color{royalblue}{6+w+6+w}=\color{green}{6+6+6}\]

zepdrix
 one year ago
Best ResponseYou've already chosen the best response.1Solve this equation for w, the width. You already have your length, so after you find your width, the area of your rectangle will given simply by length times width.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@zepdrix what's the equation ?
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