Question

A roll of paper 35 cm by 22 cm was cut and 25 cubes with edge 2 cm were made from it.Find the area of the paper left.
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Answer 1

Answer:

62

Step-by-step explanation:

35 - 22 =13

25 × 2 =50

13 + 50 =63

Answer 2

Answer

Area of roll of paper =35×22=770cm²

TSA of each cube =2² ×6=24cm²

Paper needed to make 25 cubes

=24×25=600cm²

Area of paper left =770−600=170cm

Note :

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