Question

36.
Rahul is fond of colourful fish. So his mother wants to make an aquarium for him at their
home. It is in the form of a cuboid whose external measures are 80 cm x 30 cm x 40 cm.
Rahul wants to cover the base, side faces and back face with coloured papers. Find the
area of the coloured paper needed. If cost of 1 square cm. of paper is 2.50 Rs., then find
the total cost ?​

Answer 1

Answer:

3400 rupees

Step-by-step explanation:

TSA of cuboid =2(lb+bh+hl)

=2(680)

=1360

Cost= 2.50*1360

=3400 rupees