A circular garden with diameter of 20 meters is surrounded by a walkway of width 1 meter. What is the area of the walkway?

Created: 9 months ago | Updated: 3 months ago

21 π m^{2}

100 π m^{2}

31 π m^{2}

121 π m^{2}

Job Solution বুয়েট ও অন্যান্য পরীক্ষা বাখরাবাদ গ্যাস ডিস্ট্রিবিউশন কোম্পানী লিমিটেড (BGDCL) || সহকারী প্রকৌশলী (মেকানিক্যাল, সিভিল, কম্পিউটার ও ইলেকট্রিক্যাল) (15-03-2024) গণিত

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Diameter=20

Radius= 10

Therefore,

π (10+1)^2 - π 10^2

= π. 121 - π. 100

= 21 π; is the answer

1 year ago

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