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31.03.2020 •
Mathematics
Find the area of the polygon
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Ответ:
Step-by-step explanation:
The given polygon is a pentagon. The apotherm is the perpendicular line from the midpoint of the pentagon to the base of one of its sides.
The formula for determining the area of a regular polygon is expressed as
Area = a² × n × tan 180/n
Where n represents the number of sides of the polygon.
n = 5
Apotherm = 6.5
Therefore,
Area = 6.5² × 5 × tan(180/5)
Area = 211.25 × tan 36
Area = 153.5
Ответ:
12 inches per foot
70/12 = 5.8333 feet
0.8333 * 12 = 10 inches
tree is 5 feet 10 inches tall