Perimeter and Area
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The perimeter of a rectangular field is 240 m. If its length is 90 m, find:
(i) it’s breadth
(ii) it’s are
In the given figure, calculate:
(а) the area of the whole figure.
(b) the total length of the boundary of the field.
Find the area of the shaded portion in the figure given below.
The radius of a circle is 3.5 cm, find its circumference and area.
A rectangular piece of dimension 3 cm × 2 cm was cut from a rectangular sheet of paper of dimensions 6 cm × 5 cm. Find the ratio of the areas of the two rectangles.
The perimeter of a circle is 176 cm, find its radius.
A rectangle park is 45 m long and 30 m wide. A path 2.5 m wide is constructed outside the park. Find the area of the path.
Area of a circle is 154 cm2, find its circumference.
The length of the diagonal of a square is 50 cm, find the perimeter of the square.
A wire of length 176 cm is first bent into a square and then into a circle. Which one will have more area?
Find the area of a parallelogram-shaped shaded region. Also, find the area of each triangle. What is the ratio of the area of shaded portion to the remaining area of the rectangle?
The side of a square is 2.5 cm. Find its perimeter and area.
The length and breadth of a rectangular field are equal to 600 m and 400 m respectively. Find the cost of the grass to be planted in it at the rate of ₹ 2.50 per m2.
If the length and breadth of a rectangle are 36 cm and 24 cm respectively. Find
(i) Perimeter
(ii) Area of the rectangle.
How many times a wheel of radius 28 cm must rotate to cover a distance of 352 m? (Take π =22/7)
A nursery school playground is 160 m long and 80 m wide. In it 80 m × 80 m is kept for swings and in the remaining portion, there are 1.5 m wide path parallel to its width and parallel to its remaining length as shown in Figure. The remaining area is covered by grass. Find the area covered by grass.
Find the area of the following polygon if AB = 12 cm, AC = 2.4 cm, CE = 6 cm, AD = 4.8 cm, CF = GE = 3.6 cm, DH = 2.4 cm.
In the given figure, ABCD is a square of side 14 cm. Find the area of the shaded region. (Take π=22/7)
The perimeter of a rectangular field is 240 m. If its length is 90 m, find:
(i) it’s breadth
(ii) it’s are
Rectangle ABCD is formed in a circle as shown in Figure. If AE = 8 cm and AD = 5 cm, find the perimeter of the rectangle.