Pliss donk bantoh donk ​

Jawaban:

A.

Penjelasan dengan langkah-langkah:

A.

keliling

K1 = 2x(p+l)

= 2x(20+5)

= 2x(25)

= 50 cm

K2 = 4xs

= 4×5

= 20 cm

K1+K2= 50cm + 20cm = 70cm

…………

A.

Luas

L1 = pxl

= 20×5=100 cm²

L2 = SxS

= 5×5

= 25 cm²

L1+L2=100cm² + 25cm² = 125 cm²