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garik1379 [7]
3 years ago
6

A cube and a square pyramid were joined to form the composite solid.

Mathematics
1 answer:
Yakvenalex [24]3 years ago
5 0
We know that
<span>total surface area of the composite solid=surface area of the pyramid+surface area of the cube

surface area of the pyramid=4*area of lateral triangle side
area of lateral triangle side=12*9/2----> 54 in</span>²
surface area of the pyramid=4*54---> 216 in²

surface area of the cube=5*[12*12]----> 720 in²

total surface area of the composite solid=216 in²+720 in²---> 936 in²

the answer is the option
<span>936 square inches </span>
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What is the difference in the Volume Formula for a prism and a pyramid. *
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Answer:the volume of a prism is the area of the base times the height of the prism. The volume of the pyramid has the same base area and height as the prism, but with less volume than the prism. The volume of the pyramid is one third the volume of the prism.

Step-by-step explanation:

i hope this helps

4 0
3 years ago
Help me with all of them
inessss [21]
Use the equation
For A. The problem would be set up like so

5 _ -1
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For B.

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If you need help with the rest message me good luck








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3 years ago
Help Please!! ☼♥ Will give Brainliest!
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Answer:

B

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