Rectangle 45

The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm.

a)find the width
b)find the area.

Correct result:

w =  10 cm
S =  200 cm2


p=60 cm l=20 cm  p=2(l+w) w=p/2l=60/220=10 cm
S=l w=20 10=200 cm2

We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you!

Showing 0 comments:

We encourage you to watch this tutorial video on this math problem: video1

Next similar math problems:

  • Simplify
    numbers3_1 Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]
  • Rectangle
    rectangles_3 The rectangle area is 182 dm2, its base is 14 dm. How long is the other side? Calculate its perimeter.
  • Hotel
    hotel The hotel has a p floors each floor has i rooms from which the third are single and the others are double. Represents the number of beds in hotel.
  • Circle - easy 2
    circle_3 The circle has a radius 6 cm. Calculate:
  • Perimeter of square
    stvorec_1 The square has a circumference 17cm. What is its area?
  • Bathroom 2
    tiles_5 A bathroom is 2.4 meters long and 1.8 meters wide. How many square tiles 1 dm on each side are to be used to cover it?
  • Expression
    expr_2 Solve for a specified variable: P=a+4b+3c, for a
  • Circle - simple
    kruh The circumference of a circle is 198 mm. How long in mm is its diameter?
  • Parallerogram
    kosodlznik In parallelogram ABCD is a = 2.5 cm and height to side a is 7.2 cm and height to side b is 4 cm. Find the side length b.
  • Perimeter to area
    circles_1 Calculate the area of a circle with the perimeter 15 meters.
  • Height
    triangle_rt1 The content of the triangle is 35 cm2. The length of the base is 10 cm. Determine the length of the height on the base.
  • Playground
    playground_fencing Rectangular playground is fenced with 38 m long netting. Its width is 7 m. Calculate its length.
  • A rectangle
    rectangle_12 A rectangle has an area of 36 cm2. What could the length and width of rectangle be?
  • 7 triangle
    coloured_triangle The triangle area is 26.7 cm2. Determine the side length l if appropriate height hl = 45.3 cm.
  • Height to the base
    triangle The triangle area is 35 cm ^ 2. The size of the base is 10 cm. Find the length of height to the base.
  • Second side
    rectangles2 Calculate the length of the other side of the rectangle if its circumference is 60 cm and one side is 10 cm long.
  • Perimeters
    triangles A rectangle has a perimeter of 16p centimeters, it had a width of 2p centimeters. Each side of an equilateral triangle is 1/2 the length of the rectangle. Find the total perimeter of the rectangle and the triangle if p=8.