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Perimeter

A perimeter is a path that surrounds an area. The word comes from the Greek peri (around) and meter (measure). The term may be used either for the path or its length - it can be thought of as the length of the outline of a shape. The perimeter of a circular area is called circumference.

Practical uses

Calculating the perimeter has considerable practical applications. The perimeter can be used to calculate the length of fence required to surround a yard or garden. The perimeter of a wheel (its circumference) describes how far it will roll in one revolution. Similarly, the amount of string wound around a spool is related to the spool's perimeter.

Formulae

Perimeter is about the distance around all of a shape. Perimeters for more general shapes can be calculated as any path with \int_0^L \mathrm{d}s where L is the length of the path and ds is an infinitesimal line element. Both of these must be replaced with other algebraic forms in order to be solved: an advanced notion of perimeter, which includes hypersurfaces bounding volumes in n-dimensionaleuclidean spaces can be found in the theory of Caccioppoli sets.

Question:The diagonals of a rhombus are 16 and 30. what is the perimeter of the rhombus? show work pleasee

Answers:The diagonals are perpendicular and bisect each other (cut each other in half). So drawing in the diagonals you have right triangles where the length of a side of the rhombus is the hypotenuse and the legs are 16/2 and 30/2. 8^2 + 15^2 = L^2 64 + 225 = L^2 289 = L^2 17 = L The perimeter of the rhombus is 4(17) = 68.

Question:I need help with my Geometry. I know that the formula for the area of a rhombus is A = 1/2d1d2 (A = 1/2(diagonal1)(diagonal2). Here is the question. 5. Find the area of a rhombus with a perimeter of 100 meters and one diagonal with a length of 48 meters. How do you find the other diagonal in order to plug it in to the formula?

Answers:This might help: http://www.elearnenglishlanguage.com/difficulties/youryoure.html

Question:A rhombus has has diagonals 4 and 6 cm. Find the approximate perimeter (round to the tenths) Can someone please show me how to work out this problem. Thanks so much

Answers:Hi, http://i735.photobucket.com/albums/ww355/leicande/geom36.jpg?t=1259869797 Using Pythagorean Theorem: a + b = c 2 + 3 = c 4 + 9 = c 13 = c c = 13 That is only one side, we are to find the perimeter; Perimeter of a rhombus = 4S 4( 13) = 4 13 4 13 = 14.4 cm <<< ANSWER :)

Question:what is the perimeter of a rhombus shaped highway sign with a 20 centimeter side? A.40 centimeters B.80 centimeters C.400 centimeters D.20 centimeters

Answers:A rhombus has four sides. 20 *4 = 80

Perimeter and Area Formulas :mathispower4u.wordpress.com

Rhombus Geometry Problem :www.gdawgenterprises.com This short video shows the working out of the 2009 Exit level math TAKS problem 29. It asks for the height of a rhombus. The problem is attempted using geometry sense and also by using the special right triangle expressions from the TAKS formula chart.