math comp. 3
Storyboard Tekst
- Let us take these dimensions : Length = 10 inch, Breadth = 10 inch and Height = 5 inchAnd let's calculate the TSA of the cuboidal box
- We can use the big sheet of paper we have at home to make the boxes for the cakes. But how much paper do we need ?
- Riya carries out the calculations
- Total Surface Area of Cuboid = 2 x ((Length x width) + (Width x Height) + (Length x Height))2 x (10x10) + (10x5) + (10x5)2 x 100 + 50 + 50 2 x 100 + 1002 x 200 = 400 inches
- This paper should be enough for the packaging! We can make 20 boxes out of it !
- For 20 boxes paper required = 20 x 400 = 8000 sq.in
- 1 inch = 2.54 cm 8000 sq.in = 20320 cm.sq1 sheet is 4064 cm sq, we need 3 sheets
- 1 sheet is 4064 cm sq, we need 3 sheets !
- Inside the taxi, Aman and Riya try to calculate the payment for the taxi. The driver tells them that for 1 km the price is Rs.20and for extra km it is Rs. 15
- Please drive us to the Shining Stars orphange, which is about 8km away from here
- If for 1 km, we pay Rs. 20and for extra km we pay Rs. 15; then :8 km Travel = 20 + 7(15)= 20 +105= Rs. 125So we will pay you Rs. 125 !
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