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Earn +20 ptsQ: Area of equilateral triangle with perimeter of 21 inches?
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Continue Learning about Geometry
Area of an equilateral triangle with a 9 inch perimeter?
3.897 square inches.
Find the area of an equilateral triangle that has a perimeter of 21 inches. round the answer to one decimal?
Area of equilateral triangle: 0.5*7*7*sin(60 degrees) = 21.2 square inches
What is the area of an equilateral triangle that has a perimeter of 21 inches rounded to one decimal place?
21.2 sq inches.
What is the area rounded to the nearest tenth of a square inch of an equilateral triangle that has a perimeter of 24 inches?
Area of equilateral triangle: 0.5*8*8*sin(60 degrees) = 27.7 square inches rounded
The area of a given hexagon is equal to the area of an equilateral triangle whose perimeter is 36 inches Find the length of a side of the regular hexagon?
The area of a given hexagon is equal to the area of an equilateral triangle whose perimeter is 36 inches. Find the length of a side of the regular hexagon.Click once to select an item at the bottom of the problem.
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