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(1 point) 10. A piece of art is in the shape of an equilateral triangle with sides of 21 in. What is the area of the piece of art to the nearest tenth? 311.8 in.2 381.9 in? 155.9 in.2 191.0 in.2
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19 votes
19 votes
(1 point)

10. A piece of art is in the shape of an equilateral triangle with sides of 21 in. What is the area of
the piece of art to the nearest tenth?
311.8 in.2
381.9 in?
155.9 in.2
191.0 in.2

User Tom Wayne
by
2.9k points

1 Answer

14 votes
14 votes

Answer:

191.0

Explanation:

User AndrasCsanyi
by
3.0k points
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