pre calc

posted by .

The length of a rectangle is three times its width.
If the area of the rectangle is 45 ayrds squared , find its perimeter.

  • pre calc -

    L=3W
    45=LW=3w^2
    w=sqrt15

    Perimeter=2(L+W)=2(4W) and you can finish it.

    This is hardly close to calculus, more like beginning geometry.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. basic geometric

    10. a rectangle has width the same as a side of a square whose perimeter is 20m. the length of the rectangle is 9m. find the perimeter of this rectangle. 34. The width of a rectangular picture is one-half the length. The perimeter …
  2. basic geometry

    A rectangle has width the same asa a side of a square whose perimeter is 20m.the length of the rectangle is 9m. Find the perimeter of this rectangle. 34. The with of a rectangular picture is on-half the length . The perimeter of the …
  3. math

    the length of a rectangle is 5 ft more than twice the width. a)if x represents the width of the rctangle, represent the perimeter of the rectangle in terms of x. b) if the perimeter if the rectangle is 2 ft more than eight times the …
  4. maths

    the length of a rectangle is 3 less than 5 times its width. Write a simpified algebriac expression for the perimeter of a rectangle. If the rectangle width is tripled and its length is doubled,the perimeter of new rectangle is 92cm …
  5. 9th grade polynomials

    How do you write the expression for the area of the rectangle If the length of a rectangle is two more than three times it's width,then write an expression for area of the rectangle Find the perimeter of the rectangle in problem 1.
  6. Algebra

    The length of a rectangle is three times its width. If the area of the rectangle is 108 yd^2, find its perimeter.
  7. Algebra

    The length of a rectangle is 2 ft less than three times the width. The area is 60 ft SQUARED. Find the length of the rectangle
  8. Math Algebra

    Solve algebraically using only variable: The length of a rectangle is two less than three times its width. If the area of the rectangle is 65, find the length and the width. (The area of a rectangle is equal to its length times its …
  9. Algebra

    Solve algebraically using only variable: The length of a rectangle is two less than three times its width. If the area of the rectangle is 65, find the length and the width. (The area of a rectangle is equal to its length times its …
  10. Math

    The length of a rectangle is three times its width. If the perimeter of the rectangle is 48cm,find its area.

More Similar Questions