plz help me in this ans. i will mark brainlist.
4 option is correct and
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firstly find its radius
area of circle=πr²
308=(22/7)×r²
308×(7/22)=r²
14×7=r²
98=r²
7√2=r
perimeter of semicircle=πr+d
=(22/7)×7√2+14√2
=22√2+14√2
=36√2
(there can't be two options because other options are absolutely wrong)
from Piyush
swagat nahi karoge hamara.
area of circle=πr²
308=(22/7)×r²
308×(7/22)=r²
14×7=r²
98=r²
7√2=r
perimeter of semicircle=πr+d
=(22/7)×7√2+14√2
=22√2+14√2
=36√2
(there can't be two options because other options are absolutely wrong)
from Piyush
swagat nahi karoge hamara.
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