help me pleaseeeeeee
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1.)
Area=12cm²
πr²=12
22/7×r²=12
r²=12×7/22
r²=84/22
r²=3.8
r=1.9 cm
2.)
Area=14cm²
πr²=14
22/7×r²=14
r²=14×7/22
r²=98/14
r²=7
r=2.8cm
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