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kenishajohnson116
28.06.2019 •
Mathematics
The formula for the volume v of a regular dodecahedron (a solid with 12 regular pentagons as faces) is v =7.66a^3 where a is the length of an edge of the dodecahedron. find the length of an edge of a regular dodecahedron that has a volume of 30 cubic feet. round your answer to two decimal places.
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Ответ:
Volume = 7.66* side^3
side^3 = Volume / 7.66
side^3 = 30 / 7.66
side^3 = 3.9164490862
side = 1.5762707925
side = 1.58 feet (rounded)
Step-by-step explanation:
Ответ:
The answer is 12!!!XD
Hope this helped!!!XD
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