Advertisements
Advertisements
प्रश्न
The length of a rectangle is twice of its breadth. If its perimeter is 60 cm, find its length.
Advertisements
उत्तर
Let the breadth of the field = x cm
∴ its length = 2x
and, its perimeter = 2 x (length + breadth)
= 2 x (2x + x)
= 2(3x)
= 6x cm
Perimeter = 60 cm
⇒ 60 cm = 6x cm
⇒ x =`60/6` = 10 cm
∴ Breadth = x = 10 cm
Length = 2x = 2 x 10 = 20 cm
APPEARS IN
संबंधित प्रश्न
Find the perimeter of a rectangle whose:
length = 10 m and breadth = 8 m
Find the perimeter of a rectangle whose:
length = 8 m and breadth = 80 cm
An equilateral triangle and d square has equal perimeter. If side of the triangle is 9.6 cm ; what is the length of the side of the square?
If A denotes area of a rectangle, l represents its length and b represents its breadth, find:
l, if A = 48 cm² and b = 6 cm
The perimeter of a square field is numerically equal to its area. Find each side of the square.
Each side of a square tile is 60 cm. How many tiles will be required to cover the floor of a hall with length = 50 m and breadth = 36 m.
If the length of a rectangle is 20 m and its width is 12 m, what is its perimeter?
Find the perimeter and the area of the rectangle whose length is 6 m and breadth is 4 m
If the length of a rectangle is 14 m and its breadth is 10 m, what is its perimeter?
A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced with 4 rows of wires. What is the length of the wire needed?
