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Perimeter is Length + width x 2 or Length + length + width + width. This is perimeter for any shape including a rectangle. Perimeter of a rectangle is all sides added together for a rectangle.

Q: What is a perimeter of a recangular?

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42612.744 cm

perimeter.

fixed perimeter is the perimeter being fixed

There is no reason for the perimeter of a triangle to have any relation to the perimeter of an unrelated rectangle!

Semi-perimeter means half the perimeter. Calculate the perimeter, then divide that by 2 to get the semi-perimeter.

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It has six of them.

8

42612.744 cm

well this is the FORMULA: volume=length*width*height

Assuming you mean a rectangular pyramid, the answer is 5 vertices.

It would probably be too heavy and unstable to race.

perimeter.

fixed perimeter is the perimeter being fixed

The perimeter of the square is 96.

There is no reason for the perimeter of a triangle to have any relation to the perimeter of an unrelated rectangle!

the ratio of the perimeter of triangle ABC to the perimeter of triangle JKL is 2:1. what is the perimeter of triangle JKL?

Semi-perimeter means half the perimeter. Calculate the perimeter, then divide that by 2 to get the semi-perimeter.