Advertisements
Advertisements
प्रश्न
Take a thick paper sheet of length 14 cm and width 9 cm. You can also use an old postcard.
- What is its area? What is its perimeter?
Advertisements
उत्तर
Area of rectangle = l × b
= 14 × 9
= 126 square cm.
Perimeter = 2(l + b)
= 2(14 + 9)
= 2 × 23
= 46 cm.
APPEARS IN
संबंधित प्रश्न
The perimeters of two squares are in the ratio 8 : 15, find the ratio between the lengths of their sides.
Find the perimeter of each of the following closed figures:
If P denotes perimeter of a rectangle, l denotes its length and b denotes its breadth, find:
b, if P = 3.2m and l = 100 cm
Find the side of the square whose perimeter is 5 m.
A wire is bent in the form of an equilateral triangle of each side 20 cm. If the same wire is bent in the form of a square, find the side of the square.
The sides of a rectangle are 5 cm and 3 cm respectively. Find its area in mm2.
Write the perimeter of the figure in the box given below it.
How much wire will be needed to make a rectangle of length 6 cm and breadth 3 cm?
Is the perimeter of the yellow shape more than the perimeter of the blue shape? Why?
What is the perimeter of the rectangle? ________ cm
What is its perimeter __________
What is the length of outer boundary of the park shown in the following figure? What will be the total cost of fencing it at the rate of Rs 20 per metre? There is a rectangular flower bed in the center of the park. Find the cost of manuring the flower bed at the rate of Rs 50 per square metre.
Find the perimeter of the following figure:
Find the perimeter of the following figure:
A table-top measures 2 m 25 cm by 1 m 50 cm. What is the perimeter of the table-top?
Out of two figures if one has larger area, then its perimeter need not to be larger than the other figure.
Which unit is used to measure perimeter?
A closed figure has 12 sides, each measuring 3 cm, except four sides which measure 1 cm each. What is its perimeter?
If you start at point S on a closed figure and move along all line segments to return to S, what distance have you covered?
