Advertisements
Advertisements
प्रश्न
How much wire will be needed to make a rectangle 7 cm long and 4 cm wide?
Advertisements
उत्तर
Perimeter of a rectangle
= 2 x length + 2 x breadth
= 2 x 7 + 2 x 4
= 14 + 8
= 22 cm
∴ 22 cm wire will be needed to make a rectangle.
संबंधित प्रश्न
Find the perimeter of a rectangle whose:
length = 40 cm and breadth = 35 cm
Find the perimeter of a rectangle whose:
length = 10 m and breadth = 8 m
A school playground is rectangular in shape with length = 120 m and breadth = 90 m. Some school boys run along the boundary of the play-ground and make 15 complete rounds in 45 minutes. How much distance they run during this period.
Find the perimeter of a regular hexagon of side 6.5 cm.
A regular pentagon of each side 12 cm has same perimeter as that of a regular hexagon. Find the length of each side of the hexagon.
The side of a square is 3.6 cm; find its perimeter.
The perimeter of a rectangular field is 500 m and its length = 150 m. Find:
(i) its breadth,
(ii) its area.
(iii) cost of ploughing the field at the rate of ₹1.20 per square meter.
If we take 4 rounds around a field that is 160 m long and 90 m wide, what is the distance we walk in kilometers?
Four rounds of wire fence have to be put around a field. If the field is 60 m long and 40 m wide, how much wire will be needed?
The sides of a triangle are 24.7cm, 20.4 cm, and 10.5 cm respectively. What is the perimeter of the triangle?
