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What is the perimeter of a rectangle with a length of 7 and width of 4?
Rectangles Perimeter Is 2L + 2W. 2(7) + 2(4) = Perimeter 14 + 8 = Perimeter Perimeter = 22
How do you find the perimeter without knowing the length of each side?
For rectangles, there are only two side lengths and the perimeter is obviously P = 2 (L + W). For squares, P = 4S. If you know the diagonal length of a rectangle, you only need one side to find the other side length using the Pythagorean theorem (d squared = side a squared + side b squared). If it is a square, knowing the diagonal gives you the perimeter: it is 4 times the square root of (d squared divided by 2). In other more complex figures you will need to use more concepts like parallel lines, perpendicular lines, and other geometric theorems like the Pythagorean theorem.
Find the perimetre of rectangle with length 70mm and width 25mm?
I don't understand why there are so many questions about rectangles' perimeter. You just add the length and the width and double your answer....
Rectangle has whole number side lengths the length of the rectangle is tripled and the width is doubled The new area is 204 cm squared. The new perimeter is 110 cm. What was the old perimeter?
the old perimeter is 17 * 2 The old perimeter = 38
What are the rectangles that have the same perimeter as area?
Perimeter is a length, and a length cannot be the same as an area.Ignoring the units, all rectangles that have the same numerical perimeter as area are those that satisfy:2 x (length + width) = length x widthwhich can be rearranged to give:width = 2 x length/(length - 2)Meaning that given any length over 2, a width can be found to give a rectangle that meets the requirement that its numerical perimeter is the same as its numerical area. (For a length greater than 0 and less than 2, the width would be negative and not possible; similarly for a length less than 0, the length is negative and not possible. When the length is 2, the width is undefined and so not possible. When the length is 0 the width is 0 and it is not a rectangle.)At some stage as the length increases, the length will equal the width and as the length continues to increase the rectangle then given will match the previous rectangles with the length and widths swapped. This occurs when:length = 2 x length/(length - 2)⇒ length x (length - 4) = 0⇒ length = 4.So, as long as the length is greater than or equal 4 it will be the longer side - the length, by convention, is the longer side. Thus all rectangles satisfy:width = 2 x length/(length - 2)with length ≥ 4, will have the numerical value of their perimeter the same as the numerical value of their area.For example:4 cm x 4 cm: perimeter = 16 cm, area = 16 cm25 cm x 31/3 cm: perimeter = 162/3 cm, area = 162/3 cm26 cm x 3 cm: perimeter = 18 cm, area = 18 cm241/2 cm x 33/5 cm: perimeter = 161/5 cm, area = 161/5 cm2etcNote: the first example is a square which is a rectangle with all the sides the same length.
What are the rectangles found by the greek that have the same perimeter and length?
No rectangle can have equal perimeter and length.
What can be concluded about a rectangles width if the ratio of length to perimeter is 1 to 3?
The width is half the length: The perimeter is twice the length plus twice the width. If the perimeter is 3 times the length, twice the width must be the length.
What is the perimeter of a rectangle with a length of 7 and width of 4?
Rectangles Perimeter Is 2L + 2W. 2(7) + 2(4) = Perimeter 14 + 8 = Perimeter Perimeter = 22
How do you calculate the perimeter and area of a shape?
Perimeter: add all sides area: multiply length times width for rectangles
What is the best algebraic representation of the rectangles perimeter?
It is: 2(x+y) = perimeter whereas x is the width and y is the length of the rectangle
What is true about the sum of the length and the width for any rectangles with the same perimeterbut different areas?
For rectangles with the same perimeter, the sum of the length and width is constant, as it is directly related to the perimeter formula (P = 2(length + width)). However, even though they share the same perimeter, rectangles can have different areas depending on the specific values of length and width. This means that while the sum of length and width remains unchanged, the individual dimensions can vary to produce different areas.
What is the Perimeter formula for rectangles?
P=2(L+w) L=length W=width
What is the perimeter of 1.75m x 95cm?
I don't understand why there are so many questions about rectangles' perimeter. You just add the length and the width and double your answer....
What are the lengths of the sides of 3 rectangles with a perimeter of 12 units only whole numbers?
Perimeter = 2 x (width + length)⇒ 12 = 2 x (width + length)⇒ width + length = 6⇒ the rectangles could be:1 by 52 by 43 by 3[A square is a rectangle with equal sides.]
What is the perimeter of a rectangle with a diagonal length of 7 feet and an area of 16 feet squared?
The perimeter is 18 feet.
How do you find the perimeter a triange when you know the length of one side and two of the angles?
Pythagorean theorem ~ a Squared + b Squared= c Squared
What is the length of the sides of a rectangle that has a perimeter of .875?
You can't tell the dimensions from the perimeter. There are an infinite number of different rectangles, all with different lengths and widths, that all have the same perimeter.
