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Lorico [155]
3 years ago
9

Work out the area of the pentagon.

Mathematics
1 answer:
Elanso [62]3 years ago
8 0

Answer:

Step-by-step explanation:

<em>A = 1/4√5(5+2√5)a²</em>

<em></em>

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Answer:

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Step-by-step explanation:

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3 years ago
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2 years ago
Twenty more than four times a number is equal to the difference between 139 and three times the number. Find the number.
Lady_Fox [76]

Answer:

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Step-by-step explanation:

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