Chapter 11 – Perimeter and Area

Find the area of a circle having radius 14 cm.

Find the breadth of a rectangular plot of land, if its area is 440 m2 and the length is 22 m.

One of the sides and the corresponding height of a parallelogram are 4 cm and 3 cm respectively. Find the area of the parallelogram.

Find the area of a verandah 2.25 m wide constructed outside a room 5.5 m long and 4 m wide.

Find the cost of lamination in the above question at the rate of Rs. 2.00 per cm2 .

When the circumference and area of a circle are numerically equal, what is the diameter numerically equal to?

A gardener wants to fence a circular garden of diameter 14 m. Find the length of the rope he needs to purchase.

If the area of a circle is 2464 m2 , find its diameter,

What is the circumference of a circle of radius 7 cm ?

Ayush made his picture on a rectangular sheet of length 60 cm and breadth 20 cm wide. Area of picture is :

A rectangular garden is 65 cm long and 50 cm wide. Two cross paths each 2 m wide are to be constructed parallel to the sides. If these paths pass through the centre of the garden, find the cost of constructing the paths at the rate Rs. 69 per m2 .

If a side of a square is 4 cm then its perimeter is :

The area of triangle is

The length and the breadth of a rectangular piece of land are 500 m and 300 m. Find the cost of the land if 1 m2 of the land costs Rs. 10000.

A wire bent in the form of a circle of radius 42 cm is again bent in the form of a square. What is the ratio of the regions enclosed by the circle and the square?

Find the cost of frame in the above question at the rate of Rs. 3.00 per cm.

Find radius of a circle of diameter 9.8 m.

What is the circumference of a circle of diameter 10 cm?

In the above questions, find the perimeter of the rectangular sheet.

The length and breadth of a rectangular hall in a model are 0.4 m and 30 cmrespectively. What is the distance between the opposite corners of the wall in the model?

The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, Índ its breadth.

Which figure encloses more area: a square of side 2 cm ; a rectangle of side 3 cm and 2 cm ;An equilateral triangle of side 4 cm?

In the above question, what will be the perimeter of the picture frame ?

The area of parallelogram is

If a side of a square is 5 cm then its area is :

Find the area of a triangle with a base of 20 cm and a height of 30 cm

Find the height x, if the area of the parallelogram is 24 cm2 and the base is 4 cm.

The area of a square whose perimeter is 4 m

Perimeter of a square field is 400 cm, find its one side.

The length and the breadth of a rectangular piece of land are 400 m and 250 m respectively.What is the cost of the land at Rs. 1000 per square metre?