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3.897 square inches.

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โˆ™ 2010-05-02 15:10:04
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Q: Area of an equilateral triangle with a 9 inch perimeter?
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Related questions

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

What is the perimeter of an equilateral triangle of 1 inch?

It is: 3*1 = 3 inches

What is the perimeter of an equilateral triangle that measures 4 inch on one side?

12 inches

How many 1 inch triangles are needed to make a row of triangles that has a perimeter of 20 inches?

If a "1 inch triangle" means a triangle each of whose sides is 1 inch, then there is no answer to the question. These are equilateral triangles and equilateral triangles can tesselate to form a larger equilateral triangle. The fact that the large triangle is equilateral means that its three sides are equal so that its perimeter ie the sum of the three sides must be divisible by 3. 20 is not divisible by 3.

What is the cross sectional area of an equilateral 1 inch triangle?

An equilateral 1 inch triangle is a plane figure and it does not have a cross-sectional area in any meaningful sense, just an area. Its area is 0.43 = sqrt(3)/4 square inches.

How many equilateral triangles with a 1 inch sides can be cut from an equilateral triangle with 3 inch sides?


Find the area of an equilateral triangle with the given measurement six inch side?

The formula to calculate the area of a triangle is (base/2) x height... therefore the are of the triangle in this case is 18 square inches

If an equilateral triangle measures 9 inches on each side what is the perimeter?

Area of a triangle = 1/2*base*height Use Pythagoras to find the height which is 7.794228634 inches Area = 1/2*9*7.794228634 = 35.07402885 square inches Answer: 35 square inches to the nearest square inch.

Are 2 equilateral triangles always congruent?

No. A triangle with 2-inch sides is not congruent with a triangle with 3-inch sides.

What is the perimeter of a triangle that has sides of 7 inch by 8 inch and 9 inch?

The formula for area of a triangle is bh/2 b=base h=height /=divide so multiply the base(or the bottom) side by the height of the triangle, and then divide that by two.

If square has 28 inch perimeter what is area?

If square has a 28-inch perimeter its area is: 49 square inches.

What is the area of a regular hexagon with 24 inch perimeter?

The area of a regular hexagon with a 24-inch perimeter is about 41.57 square inches.

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