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What is the area and perimeter of a giant pentagon that's sides are 50 mi each?
Wiki User
∙ 12y ago
Perimeter is easy, that's just 5 times the length of a side ie 250 miles.
For area, watch this space!
Later!
Pentagon is composed of 10 right-angled triangles of the form 36/54/90 and having a base 25 mi. Altitude is found by dividing the base by tan36 (which is approx 0.73) giving an area of 12.5 x 34.41 or 430.119 sq mi. for each triangle. The total area is therefore 4301.2 sq mi to the nearest tenth.
Wiki User
∙ 12y ago
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