The perimeter 3

The perimeter of a rectangle is 35 cm. The ratio of the length to its width is 3:2. Calculate the dimensions of the rectangle

Result

l =  10.5 cm
w =  7 cm

Solution:

p=35 cm n=3+2+3+2=10  d=p/n=35/10=72=3.5 cm  l=3⋅ d=3⋅ 3.5=212=10.5 cmp=35 \ \text{cm} \ \\ n=3+2+3+2=10 \ \\ \ \\ d=p/n=35/10=\dfrac{ 7 }{ 2 }=3.5 \ \text{cm} \ \\ \ \\ l=3 \cdot \ d=3 \cdot \ 3.5=\dfrac{ 21 }{ 2 }=10.5 \ \text{cm}
w=2⋅ d=2⋅ 3.5=7 cmw=2 \cdot \ d=2 \cdot \ 3.5=7 \ \text{cm}

Try another example


Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Tips to related online calculators
Check out our ratio calculator.
Do you want to convert length units?

Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. Ratio of perimeters
    rectangle.JPG Rectangle ABCD has dimensions 3 cm and 4 cm, KLMN rectangle has dimensions 4 cm and 12 cm. Calculate the ratio of the perimeter ABCD and perimeter KLMN.
  2. Ratio - rectangle
    rectangles The rectangle has dimensions 6 cm and 9 cm. How many times increases area and its perimeter, when its dimensions increase in the ratio 5:3?
  3. 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.
  4. Rectangle 45
    rectangles2_4 The perimeter of a rectangle is 60cm. If the length of the rectangle is 20cm. a)find the width b)find the area.
  5. Arm-leg
    triangles2 Calculate the length of the base of an isosceles triangle with a circumference 224 cm if the arm length is 68 cm.
  6. Photo enlarge
    photo Mark wants to enlarge a 4-inch by 6-inch photo so that it has a height of 15inches. Use a ratio table to determine the new width of the photo.
  7. String
    provaz Divide the string length 800 cm in ratio 1: 5
  8. Peppers
    paprika In the box are yellow (a), green (b) and red (c) peppers. Their amount is in a ratio 2:4:1 . Most are yellow peppers and green the least. Calculate the number of peppers each type if the total number of peppers is 70.
  9. Runners
    metals For three runners (on the first to third place) is prepared 30 chocolate that they be distributed in the ratio of 3 : 2 : 1 How much chocolate will get everyone?
  10. Two machines
    machine_2 Performances of two machines are in a ratio of 7:12. A machine with less power produced 406 pieces of products per shift. a) How many pieces produced per shift second machine? b) How many pieces produced two machines together for five shifts?
  11. Guppies
    guppies Audrey has some guppies in a fish tank. The ration of the oranges guppies to silver guppies is 3:5. She has 12y oranges guppies. Write the number of silver guppies she has in terms of y
  12. Moneys in triple ratio
    peniazky_4 Milan, John and Lili have a total 344 euros. Their amounts are in the ratio 1:2:5. Determine how much each of them has?
  13. Building
    wood_3 At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile?
  14. Car consumption
    odometer The car has passed 988 kilometers and consumed 66 liters of petrol. What is the consumption per 100 kilometers?
  15. 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.
  16. Expression
    expr_2 Solve for a specified variable: P=a+4b+3c, for a
  17. Simplify
    numbers3_1 Simplify the following problem and express as a decimal: 5.68-[5-(2.69+5.65-3.89) /0.5]