Question

help me pleaseeeeeee

Answer 1

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