Rectangular 5320

Forest workers planted the rectangular forest nursery with dimensions of 80m and 50m 2/5 with spruce, 12 ares were planted with beech, and the rest grew other deciduous trees. Determine what area the other deciduous trees are growing on.

Correct answer:

S =  1200 m2

Step-by-step explanation:

a=80 m b=50 m S1=a b=80 50=4000 m2 S2=2/5 S1=2/5 4000=1600 m2 S3=12 100=1200 m2 S=S1S2S3=400016001200=1200 m2



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