Chapter 11 – Perimeter and Area
11.Find the area of the equilateral ABCD. Here, AC = 22 cm, BM = 3 cm, DN = 3 cm and BM ⊥ AC, DN ⊥ AC.
09
Oct
11.Find the area of the equilateral ABCD. Here, AC = 22 cm, BM = 3 cm, DN = 3 cm and BM ⊥ AC, DN ⊥ AC. 11.Find the area of the equilateral ABCD. Here AC = 22 cm BM = 3 cm DN = 3 cm and BM ⊥ AC DN ⊥ AC. October [...]
10.In the following figures, find the area of the shaded portions:
09
Oct
10.In the following figures, find the area of the shaded portions: 10.In the following figures find the area of the shaded portions: October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
10.In the following figures, find the area of the shaded portions:
09
Oct
10.In the following figures, find the area of the shaded portions: 10.In the following figures find the area of the shaded portions: October 9, 2020 Category: Chapter 11 - Perimeter and Area , Maths , NCERT Class 7 ,
9.The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. 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.
09
Oct
9.The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. 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. 16.How many times a wheel [...]
Pragya wrapped a cord around a circular pipe of radius 4 cm(adjoining figure) and cut off the length required of the cost. Then she wrapped it around a square box of side 4 cm(also shown). Did she have any cord left?(Take π=3.14)
09
Oct
Pragya wrapped a cord around a circular pipe of radius 4 cm(adjoining figure) and cut off the length required of the cost. Then she wrapped it around a square box of side 4 cm(also shown). Did she have any cord left?(Take π=3.14) 16.How many times a wheel of radius 28 cm must rotate to go [...]
7.Through a rectangular field of length 90 m and breadth 60 m, two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the fields. If the width of each road is 3 m, find: (i) the area covered by the roads. (ii) the cost of constructing the roads at the rate of Rs. 110 per m^2.
09
Oct
7.Through a rectangular field of length 90 m and breadth 60 m, two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the fields. If the width of each road is 3 m, find: (i) the area covered by the roads. (ii) the cost [...]
Tags:
7.Through a rectangular field of length 90 m and breadth 60 m ,
find: (i) the area covered by the roads. (ii) the cost of constructing the roads at the rate of Rs. 110 per m^2. ,
two roads are constructed which are parallel to the sides and cut each other at right angles through the centre of the fields. If the width of each road is 3 m ,
6.Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also find the area of the park excluding cross roads. Give the answer in hectares.
09
Oct
6.Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 700 m and breadth 300 m and parallel to its sides. Find the area of the roads. Also find the area of the park excluding cross roads. Give the answer in hectares. 16.How many [...]
4.A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. Find: (i) the area of the verandah. (ii) the cost of cementing the floor of the verandah at the rate of Rs. 200 per m^2.
09
Oct
4.A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. Find: (i) the area of the verandah. (ii) the cost of cementing the floor of the verandah at the rate of Rs. 200 per m^2. 7.Find the perimeter of the adjoining figure which [...]
3.A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin of 1.5 cm along each of its sides. Find the total area of the margin.
09
Oct
3.A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin of 1.5 cm along each of its sides. Find the total area of the margin. 3.A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin [...]
2. A 3 m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. Find the area of the path.
09
Oct
2. A 3 m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. Find the area of the path. 2. A 3 m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. Find the area of the path. October [...]