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For The Mathematically Inclined

Anil Saigal
08/10/2021

Problem 1: 

What is the area of a rectangle, if its perimeter is 110 cm and its length is 1 cm more than twice its width?


Problem 2:
The surface of the first cube wall is 64 m2. The second cube area is 40% of the surface of the first cube. Determine the length of the edge of the second cube?
 

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Problems from M-07/29/21

Problem 1: 

3/4 of the length of a 8/9 m rod is painted red. 5/8 of the rest of the rod is painted blue and the remaining section is not painted. What length of the rod is not painted?  

Problem 2:

Cos ( 2 Ï€  - α )  =   ? 



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