Chapter 11 – Perimeter and Area

1.A garden is 90 m long and 75 m broad. A path 5 m wide is to be built outside and around it. Find the area of the path. Also find the area of the garden in hectares. 1.A garden is 90 m long and 75 m broad. A path 5 m wide is to [...]

17.The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour? (Take π = 3.14) 17.The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour? (Take π = [...]

16.How many times a wheel of radius 28 cm must rotate to go 352 m? (Take π = 22/7) 16.How many times a wheel of radius 28 cm must rotate to go 352 m? (Take π = 22/7) October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,

15.Find the circumference of the inner and the outer circles, shown in the adjoining figure? (Take π = 3.14) 15.Find the circumference of the inner and the outer circles shown in the adjoining figure? (Take π = 3.14) October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,

14.A circular flower garden has an area of 314 m^2. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? (Take π = 3.14) 14.A circular flower garden has an area of 314 m^2. A sprinkler at the centre [...]

13.A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is the area of this path? (Take π = 3.14) 13.A circular flower bed is surrounded by a path 4 m wide. The diameter of the flower bed is 66 m. What is [...]

12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) 12.The circumference of a circle is 31.4 cm. Find the radius and the area of the circle ? (Take π = 3.14) October 9, 2020 Category: Chapter 11 - Perimeter and Area , [...]

11.A circle of radius 2 cm is cut out from a square piece of an aluminium sheet of side 6 cm. What is the area of the left over aluminium sheet? (Take π = 3.14) 11.A circle of radius 2 cm is cut out from a square piece of an aluminium sheet of side 6 [...]

10.From a circular card sheet of radius 14 cm, two circles of radius 3.5 cm and a rectangle of length 3 cm and breadth 1 cm are removed (as shown in the adjoining figure). Find the area of the remaining sheet. (Take π = 22/7) 10.From a circular card sheet of radius 14 cm two [...]

9. Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the radius of that circle. Also find its area. If the same wire is bent into the shape of a square, what will be the length of each of its sides? Which figure encloses more area, [...]