Advertisements
Advertisements
Question
Find the length and perimeter of a rectangle, whose area = 120 cm2 and breadth = 8 cm
Advertisements
Solution
area of rectangle = 120 cm2
breadth, b = 8 cm
Area = l x b
l x 8 = 120
l = `120/8` = 15 cm
Perimeter = 2 (l+b) = 2(15+8) = 2 x 23 = 46 cm
Length = 15 cm; Perimeter = 46 cm
APPEARS IN
RELATED QUESTIONS
Find the perimeter of an isosceles triangle with each equal side = 13 cm and the third side = 10 cm.
The side of a square is 3.6 cm; find its perimeter.
Each side of a square is 9 m long. Find its perimeter.
Find the perimeter of the following figure
Length and breadth of a rectangular sheet of paper are 20 cm and 10 cm, respectively. A rectangular piece is cut from the sheet as shown in the following figure. Which of the following statements is correct for the remaining sheet?
Length of a rectangle is three times its breadth. Perimeter of the rectangle is 40 cm. Find its length and width.
A rectangular path of 60 m length and 3 m width is covered by square tiles of side 25 cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?
In the following figure, a rectangle with perimeter 264 cm is divided into five congruent rectangles. Find the perimeter of one of the rectangles.
A large square is made by arranging a small square surrounded by four congruent rectangles as shown in the following figure. If the perimeter of each of the rectangle is 16 cm, find the area of the large square.
What is the perimeter of a rectangle?
