Tolongg yaa... bsk dikumpulinn..

1)K=1/2×phi×d+30+20+30
=(1/2×3,14×20)+30+20+30
=111,4cm

2)L1=p×l
=20×14
=280cm2
L2=1/2×phi×r×r
=1/2×22/7×7×7
=77cm2

L total=280+77=357cm2