17 cm panjangnya 11 cm lebarnya keliling= luas= ​

K = 2 × (P + L)

= 2 × (17 + 11)

= 2 × 28

= 28 + 28

= 56 cm

____

L = P × L

= 17 × 11

= 187 cm²

Jawaban:

keliling :2(p+l)

2(17+11)

2×28

=56 cm²

luas :p×l

17×11

=187 cm²