Garden

The rectangular garden is 72 m long and 25 m wide. Calculate by how many m2 its area will be reduced if it is surrounded by an ornamental fence 50 cm wide.

Correct answer:

S =  109.44 m2

Step-by-step explanation:

a=99 m b=84 m h=30 cm m=30:100  m=0.3 m  S1=a b=99 84=8316 m2 S2=(a2 h) (b2 h)=(992 0.3) (842 0.3)=8206.56 m2  S=S1S2=83168206.56=109.44 m2



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