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kondaur [170]
3 years ago
7

The prisms and two nets shown below: Plzzz answer part A B and C for BRILLIANT ANSWER

Mathematics
1 answer:
Arlecino [84]3 years ago
5 0
Part A: Net A is correct
Net B is incorrect because de triangular sides do not close the opening left in both sides.

Part B: AB=3 in., BC=5in., CD=8.6in.

Part C: The surface area of the prism is the area of the the big rectangle in the net + the area of the 2 triangles

Area of the big rectangle
8.6• ( 3+4+5)= 103.2 in ^2
Area of the triangles
If we get the 2 trangles together along their longest side we get another rectangle
3•4 =12 in^2

Surface area of prism is 103.2+12=115.2 in^2
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PSYCHO15rus [73]
Wat yo mean by don't solve the bottom
oh well

so we need surface area

we need top rectangle, 2 side triangles, back rectangle and bottom rectangle

top is 5 by 25 and 1/5, the raea is 25 and 1/5 times 5=126 square feet
triangles are the same
but which one is the height?
hmm
I'm going to assume the 25ft is height
so base is 25/12 ft
2 triangles so
2 times 1/2 times 25 times 25/12=625/12 square feet
back
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bottom is 25 by 5ft or 125 sqaurefeet


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313.5/100=3.135
round up becase you can't buy 0.135 quart (or can you?)
4 quarts
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