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sidmanfu
 4 years ago
The stair railings (shaded region) need to be replaced. Determine their total area.
sidmanfu
 4 years ago
The stair railings (shaded region) need to be replaced. Determine their total area.

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KingGeorge
 4 years ago
Best ResponseYou've already chosen the best response.1Same area on both sides, so we only need to find one side, and multiply by 2. Also, for the parallelograms, the area is still just length times height. Thus, our area is given by:\[2\left( 3(0.8)^2 +2(1.2(0.8))\right) =2(1.92 +1.92)=2(3.84)=7.68\]
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