Question

1.Solve the following word problems on the TSA of cube and TSA of cuboid:
a) How many sq.m of tin would be required to line the inside of a rectangular tank on the sides and bottom if the inside dimensions of the tank are 8 cm x 5 cm x4 cm.
b) The floor of a hall with square base has a perimeter 200 m. If the cost of painting the four walls at the rate of Rs.10 per sq.m is Rs.20000, find the height of the hall.
c) The paint in a certain container is sufficient to paint an area equal to 74295 sq.cm. How many bricks of dimensions 19.5cm x 11 cm x 6.5 cm can be painted out of this container.​

Answer 1

Answer:

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Answer 2

should I answer all the question