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