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The length of a rectangle is two times its width. If the perimeter of the rectangle is 48 what is its area?
length = 2 x width Perimeter = 2 x (length x width) =2 x (2 x width + width) = 2 x (3 x width) = 6 x width → 6 x width = 48 units → width = 48 units ÷ 6 = 8 units → length = 2 x width = 2 x 8 units = 16 units Ares = length x width = 16 units x 8 units = 128 square units
What is the area of a 2 centimeters by 6 centimeters rectangle?
the formula for the area of a rectangle is base*width. plug in 2 for the base and 6 for the width. 2*6=12 the answer is 12cm
A picture 8 inches long of 6 inches width is to be enlarged so that its length will be 12 inches what is the width in inches of the enlarged picture?
Ratio of new length to old length = 12/8 = 3/2 So ratio of new width to old width must be 3/2 New width/Old width = 3/2 so New width = Old Width * 3/2 = 6 inches*3/2 = 9 inches
The area of a rug is 66 square feet the length is 5 feet longer than the width what is the width of the rug?
Area= length * width length= width + 5 so.... Area= width * (width + 5) Area= width^2 + 5width (going to use w for width.) 66= w^2 + 5w w^2 + 5w - 66= 0 Now factor! (w - 6)(w + 11) Solve for w, and since area can't be negative, you get.. w=6 length= 6+5= 11
What is its perimeter if the length of a rectangle is 6 length and the width is 3 width?
18 - 6 plus 3 times 2 how don't you know that ?
