Question

Can u do this plz urgent ​

Answer 1

1-1) A=6×5=30m² | P=6×2+5×2=12+10=22m

1-2) A=5×20=100mi² | P=5×2+20×2=10+40=50mi

2-1) A=16×6=96m² | P=16×2+6×2=32+12=44m

2-2) A=20×9=180km² | P=20×2+9×2=40+18=58km

3-1) A=14×17=238yd² | P=14×2+17×2=28+34=62yd

3-2) A=20×18=360mi² | 20×2+18×2=40+36=76mi