A rope by which a calf is tied is increased from 12 m to 23 m. how much additional grassy ground shall it graze
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Answer:
1201.2m² approx
Step-by-step explanation:
area of circle =π r²
old grazing area =π 12²=.π 144m²
new grazing area =π 23²=π529m²
addition grazing area=new grazing area-old grazing area=.π529-π144=π(529-144)=π385
=3.12*385=1201.2m²
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