Question 2 :
Find the cost of polishing a circular table-top of diameter 1.6 m, if the rate of polishing is Rs.15/$m^{2}$.(Take π = 3.14)
Question 3 :
A path 1 m wide is built along the border and inside a square garden of side 30m. Find the cost of planting grass in the remaining portion of the garden at the rate of Rs 40 per m$^2$.
Question 4 :
Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the radius of that circle.
Question 6 :
What is the circumference of a circular disc of radius 14 cm? (Use π = $ \frac{22}{7}$)
Question 7 :
The perimeter of a rectangular sheet is 100 cm. If the length is 35 cm, find its breadth. Also find the area.
Question 8 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1aa878c526e972caeffd.PNG' />
In the given figure, The adjoining figure represents a rectangular lawn with a circular flower bed in themiddle. Find: (i)the area of the whole land (ii)the area of the flower bed (iii)the area of the lawn excluding the area of the flower bed (iv)the circumference of the flower bed.
Question 9 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cacbf59b460d7261eb6d.png' />
In above image, find the area of triangle.
Question 10 :
The circumference of a circle is 31.4 cm. Find the radius and the area of the circle?
Question 11 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1aab78c526e972caf007.PNG' />
In the given figure, The outer rectangle is of length 6 cm and breadth 4 cm and is composed of congruent polygons. Find the area of each polygon.
Question 12 :
Diameter of a circular garden is 9.8 m. Find its area.
Question 13 :
The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is30 cm, find its length. Also find the area of the rectangle.
Question 14 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cad3f59b460d7261eb78.png' />
In above image, find the area of parallelogram.
Question 15 :
The circumference of a circle is 31.4 cm. Find the radius and the area of the circle?(Take π = 3.14)
Question 16 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1aa678c526e972caeff8.PNG' />
In the given figure, Find the area of the parallelogram .
Question 17 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61cc1aa178c526e972caefe5.PNG' />
In the above figure,we see two circles with the same centre. The radius of the larger circle is 10 cm and the radius of the smaller circle is 4 cm.Find the area of the larger circle.
Question 18 :
Find the base of parallelogram when its height and area are 15cm and $154.5 cm^{2}$ respectively.
Question 19 :
What is the area of triangle where base=b and height=h ?
Question 20 :
Find the height of parallelogram when its base and area are 15.6cm and $16.38 cm^{2}$ respectively.