Question

length = 7 cm, breadth = 4 cm, height = 3 cm
b/length = 4 m, breadth = 3 m, height = 2 m
e length = 45 cm, breadth = 45 cm, height = 45 cm
d length = 8 m. breadth = 4 m, height = 2 m
2 Find the cost of painting a tank of dimension 3 mx 2 mx 1.5 m at 20 per square metre
3 Find the total surface area of a cuboid whose length. breadth and height are 9 cm 7 cm. and 4
respectively,
4 Find the surface area of a cubical box whose one side is 80 cm.
5 How much cardboard is needed to make a cubical box of 8 em side?
6 A rectangular swimming pool 30 m long, 20 m wide, and 1.5 m deep is to be filed. If each uile
50 cm x 50 cm, how many files will be required? (Remember, there is no roof for the pool)
7 The total surface area of a cube is 150 sq. m. Find the length of its side.​

Answer 1

Answer:

7)TSA of cube=6a2

150 = 6a2

150/6 = a2

• 5m=a

Answer 2

Answer:

Step-by-step explanation: