math

posted by .

find the width of a rectangle with a diagonal and lenght of 20cm and 15cm respectively?

  • math -

    w^2 + 15^2 = 20^2 ----- simple Pythagoras
    w^2 + 225 = 400
    etc

  • math -

    a rectangle is 5cm longer than it is wide. the diagonal of the rectangle is 20 cm. determine the dimensions of the rectangle. explain and show your work

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. Math. fast please!

    The length of a rectangle is 3 cm and the width is 2 cm. find the length of the diagonal. Is there a formula to do this?
  3. math

    The lenght and the width of a rectangle are in the ratio 3:2. If the lenght is increased by 20 and the width is decreased by 5, the ratio of the lenght to the width becomes 2:1. Find the lenght and width of this rectangle.
  4. algebra

    The width of a rectangle is 4 meters more then 1/3 its lenght. the perimeter is 64. Find the lenght and width
  5. algebra

    The width of a rectangle is 3ft less than the lenght. The area is 4ft^2. Find the lenght and the width
  6. Mathematics-please help quick!!

    The lenght of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. A.Find the simplest expression for the perimeter for the rectangle if the width is x.B. Find the width of the rectangle. C. Calculate the …
  7. Mathematics-please help quick!!

    The lenght of a rectangle is 10cm greater than its width. The perimeter of the rectangle is 1m. A.Find the simplest expression for the perimeter for the rectangle if the width is x.B. Find the width of the rectangle. C. Calculate the …
  8. math

    if the lenght of rectangle is 20cm and bridth is 5cm find the side of square which is equiangular with the rectangle
  9. mathematics

    the lenght of a rectangle is twice its width.If the width is reduced by 1cm and the lenght is also reduced by 2cm,the area will be 15cm(square).Find the dimensions of the original rectangle.
  10. math

    A rectangle has a width of 12 cm and diagonal of 20 cm find the lenght

More Similar Questions