Math, asked by MALIKSUHAIB070, 1 year ago

answer this fast please

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Answered by ziafat111
0
total perimeter is given by πr + diameter

=10π+20 cm
=31.4+20=51.4cm
hope it may help u

ziafat111: i hv done it accurately
karthikjr2016: ok i didnt say anything
Answered by karthikjr2016
0
peremeter of semi-circle=( \pi +2)r
        =[(3.14+2)20]\2
        =102.8\2
        =51.4

rounded off answer=51

karthikjr2016: srry
ziafat111: kyun
karthikjr2016: 102\2=51.4
karthikjr2016: 51.4 is correct
karthikjr2016: edited it
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