# math

the length of a rectangle is 3 times its
breadth.its perimeter is 64cm.find its length?

1. 👍 0
2. 👎 0
3. 👁 65
1. solve for x

2x + 2(3x) = 64

1. 👍 0
2. 👎 0
posted by Reiny
2. Perimeter of rectangle is 2(length + breath
So length is 3w
We get that 2(3w+w) is 64
6w+2w is 64
8w is 64
W is equal to 8 cm and length is 8*3-24

1. 👍 0
2. 👎 0
posted by ayush

## Similar Questions

1. ### Math,Ratio

the length of a rectangle is 6times as long as its breadth. a.) what fraction of the perimeter of the rectangle is the length of the rectangle? b.) find the ratio of the length of the rectangle to its breadth and to its perimeter.

asked by Da S on December 26, 2011
2. ### 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

asked by vero on March 12, 2007
3. ### math

a rectangle is three times ad long as its breadth. if the perimeter of rectangle is 40m, find its length and breadth

asked by Mohammed on February 21, 2017
4. ### math

length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

asked by abhilash on November 29, 2016
5. ### linear equations

length of a rectangle is twice its breadth. if ratio of the perimeter of the rctangle and 6 times its length is 1:2. find the dimensions of the rectangle

asked by abhilash on November 29, 2016
6. ### Math

Perimeter of a rectangle is 60 cm.Length is 2 cm less than three times of its breadth. Find length of sides of the rectangle

asked by Mayoor on August 23, 2016
7. ### Maths

the length of a rectangle is 3 times its breadth,if the perimeter is 84 , find the length

asked by Ambrish on May 3, 2016
8. ### Maths

I have a sum which I share with u.. Perimeter of rectangle is 2.4m less than (2/5) of perimeter of square. If the perimeter of square is 40m then find the length & breadth.. Given breadth is (1/3) of the length.. I have also a