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27.09.2019 •
Mathematics
Write a formula for the perimeter p for triangle. solve the formula for b. use the new formula to find b when a is 20 feet and c is 17 feet
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Ответ:
1,800 ft
Step-by-step explanation:
Rebecca will walk in the pattern of a regular polygon with 'n' sides and internal angles of 160 degrees (180 at a straight line - 20 degrees from each turn).
The equation that describes the internal angle of a regular polygon is:
For A = 160 degrees:
If each side is 100 ft long, the total distance that Rebecca has walked is:
She walked 1,800 ft.