Devi Mokambigai 's answer to Jaime Tan's Secondary 2 Maths question.

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Devi Mokambigai
Devi Mokambigai 's answer
6 answers (Tutor Details)
1st
Convert the length ratio to area by 'squaring' it.
Then apply conversion of km^2 to cm^2.
Divide & you'll get the area on map .