Flowerbed 22573

Around a round flowerbed with a diameter of 6m should be made a sidewalk with a width of 0.5m. How many square meters of material do we need?

Correct answer:

S =  10.2102 m2

Step-by-step explanation:

D=6 m h=0.5 m  r=D/2=6/2=3 m r2=r+h=3+0.5=27=3.5 m  S=π r22π r2=3.1416 3.523.1416 32=10.2102 m2



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