UPSKILL MATH PLUS

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1. The area of a rectangular shaped photo is \(820 \ sq. \ cm\) and its width is \(20 \ cm\). What is its length? Also find its perimeter.
 
Answer:
 
Length \(=\) \(cm\)
 
Perimeter \(=\) \(cm\)
 
2. A square park has \(40 \ m\) as its perimeter. What is the length of its side? Also find its area.
 
Answer:
 
Length \(=\) \(m\)
 
Area \(=\) \(m^2\)