Chapter 11 – Perimeter and Area
8.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)
09
Oct
8.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) 8.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) October 9, 2020 Category: Chapter 11 - [...]
7.Find the perimeter of the adjoining figure, which is a semicircle including its diameter.
09
Oct
7.Find the perimeter of the adjoining figure, which is a semicircle including its diameter. 7.Find the perimeter of the adjoining figure which is a semicircle including its diameter. October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
6. Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs Rs. 15. (Take π = 3.14)
09
Oct
6. Saima wants to put a lace on the edge of a circular table cover of diameter 1.5 m. Find the length of the lace required and also find its cost if one meter of the lace costs Rs. 15. (Take π = 3.14) 6. Saima wants to put a lace on the edge of [...]
5.From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Take π = 3.14)
09
Oct
5.From a circular sheet of radius 4 cm, a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Take π = 3.14) 5.From a circular sheet of radius 4 cm a circle of radius 3 cm is removed. Find the area of the remaining sheet. (Take π = 3.14) October [...]
4. A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also, find the costs of the rope, if it cost Rs. 4 per meter. (Take π = 22/7)
09
Oct
4. A gardener wants to fence a circular garden of diameter 21 m. Find the length of the rope he needs to purchase, if he makes 2 rounds of fence. Also, find the costs of the rope, if it cost Rs. 4 per meter. (Take π = 22/7) 4. A gardener wants to fence a [...]
3. If the circumference of a circular sheet is 154 m, find its radius. Also find the area of the sheet. (Take π = 22/7)
09
Oct
3. If the circumference of a circular sheet is 154 m, find its radius. Also find the area of the sheet. (Take π = 22/7) 3. If the circumference of a circular sheet is 154 m find its radius. Also find the area of the sheet. (Take π = 22/7) October 9, 2020 Category: Chapter [...]
2.Find the area of the following circles, given that: (Take π = 22/7) (c) radius = 5 cm
09
Oct
2.Find the area of the following circles, given that: (Take π = 22/7) (c) radius = 5 cm 2.Find the area of the following circles given that: (Take π = 22/7) (c) radius = 5 cm October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
2.Find the area of the following circles, given that: (Take π = 22/7) (b) diameter = 49 m
09
Oct
2.Find the area of the following circles, given that: (Take π = 22/7) (b) diameter = 49 m 2.Find the area of the following circles given that: (Take π = 22/7) (b) diameter = 49 m October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
Find the area of the following circles, given that: (Take π = 22/7) (a) radius = 14 mm
09
Oct
Find the area of the following circles, given that: (Take π = 22/7) (a) radius = 14 mm Find the area of the following circles given that: (Take π = 22/7) (a) radius = 14 mm October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
1.Find the circumference of the circles with the following radius: (Take π = 22/7) (c) 21 cm
09
Oct
1.Find the circumference of the circles with the following radius: (Take π = 22/7) (c) 21 cm 1.Find the circumference of the circles with the following radius: (Take π = 22/7) (c) 21 cm October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,