emko17 emko17
  • 24-02-2017
  • Mathematics
contestada

Let b= 1.79, w= 5.44, and l= 1.92. Find the surface area of the 3D image.

Let b 179 w 544 and l 192 Find the surface area of the 3D image class=

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jdoe0001 jdoe0001
  • 25-02-2017
notice the picture below

the prism itself, is just 2 triangles and 3 rectangles, stacked up to each other at the edges

so, to get the surface area of it, just get the surface area of each of those triangles and rectangles, and sum them up

notice for the triangle, A = 1/2 bh, we have the base and the hypotenuse, to get the height, simply using the pythagorean theorem, we get what you see in the picture
Ver imagen jdoe0001
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