A rectangle 8

A rectangle measuring 6 cm and 4 cm is enlarged by the ratio of 3:1. What is the area of the enlarged rectangle?

Correct answer:

S2 =  216 cm2

Step-by-step explanation:

a=6 cm b=4 cm  k=3/1=3  x=k a=3 6=18 cm y=k b=3 4=12 cm  S2=x y=18 12=216=216 cm2   Verifying Solution:  S1=a b=6 4=24 cm2 S3=k2 S1=32 24=216 cm2 S3=S2

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