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3 years ago

Pleeeaaaase help me #16

Mathematics

1 answer:

-BARSIC- [3]3 years ago

3 0

I think K=1.123
you have to find by how much it's increasing, think of 6(1/2) times WHAT equals 7(1/3)
6(1/2)a=7(1/3)
a=1.123
That means each side will be the same times 1.123
x=4.492
you can round that to 4.49 or 4.5 or 5

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4 0

3 years ago

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xeze [42]

Answer:

1240.4 mm²

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SA of Pentagonal pyramid:

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↑ ↑

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l: slant height.

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