Question

Maria wants to make an open cuboidal box, 10 cm long, 5 cm wide and 3 cm high from cardboard. Find the cost of the cardboard at the rate of 50 paise per cm? . ​

Answer 1

Step-by-step explanation:

here we have to find the cost of the cardboard required to make the open cuboidal box. so we will use CSA + 1 base formula. = 70 rupees.

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Answer 2

Answer:

45 rupees

Step-by-step explanation:

L.S.A of cuboid = 2h(l+b)

=2×3(10+5)

=6(15)

=90cm

Cost of 1cm =50 paise

Cost of 90cm=45rupees