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Alex73 [517]
3 years ago
12

Find the total area for the regular pyramid T.A. =

Mathematics
1 answer:
Stolb23 [73]3 years ago
4 0

Answer:

The answer to your question is At = 48 + 36\sqrt{3}

Step-by-step explanation:

Area = Area of the base + Lateral area

a) Area of the base

    Area = length x height / 2

    length = 12

    height² = 12² - 6²

                 = 144 - 36

                 = 108

    height = \sqrt{108} = 6\sqrt{3}

    Area = 12 x 6\sqrt{3} / 2

              = 36\sqrt{3}

b) Lateral area

   height² = 10² - 6²

                = 100 - 36

                = 64

   height = 8

   Area = 12 x 8/2

            = 48

c) Total area

   At = 48 + 36\sqrt{3}

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Answer:

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3 years ago
Consider this system of equations:
alexandr1967 [171]
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skelet666 [1.2K]

Answer:

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Step-by-step explanation:

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3 0
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Read 2 more answers
146x1600=_____<br>Please help me Q-Q <br>Thank you guys, have a good day​
yawa3891 [41]

Answer:

233600

Step-by-step explanation:

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Have a nice day

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3 years ago
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