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Q: How do you find the area a triangle with perimeter of 72?

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perimeter = 4 x sqrt 72 = 33.94 in area = 72 squinches

You cannot. The perimeter alone does not provide enough information unless the octagon is regular and there is no valid reason to assume that it is.

About 391.1 units2

Area of square: 324 square inches Perimeter of square: 72 inches

Area = 1/2 (base x height) If the triangle is sitting on the 9cm side, then 72 = 1/2 ( 9 x height ) Height = 16 cm There are an infinite number of ways to draw the remaining two sides such that the height of the triangle is 16 cm. So the given information doesn't define a unique perimeter.

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perimeter = 4 x sqrt 72 = 33.94 in area = 72 squinches

72 because if the area is 324 and you make a block chart and count the sides it will equal 72

The square root of 324 is 18 and 4*18 = 72 units of measurement which is the perimeter of the square.

72 units

72

33.941 (rounded)

The area is 324 square units.

You cannot. The perimeter alone does not provide enough information unless the octagon is regular and there is no valid reason to assume that it is.

The area is 324 square inches.

About 391.1 units2

Each side is 72/4 = 18 and its area is 18*18 = 324 square in.

Area of square: 324 square inches Perimeter of square: 72 inches

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