tentukan keliling persegi yang panjang sisinya 1. 2 cm 2. 38 cm 3. 102 cm 4. 0,7 cm 5. 6,51 cm

KLL. PERSEGI = 4 x sisi

1. sisi = 2 cm

Kll = 4 x 2cm = 8cm <===

2. sisi = 38 cm

Kll = 4 x 38cm = 152 cm <==

3. sisi = 102 cm

Kll = 4 x 102cm = 408 cm <<===

4. sisi = 0.7 cm

Kll = 4 x 0.7cm = 2.8 cm <===

5. sisi = 6.51 cm

Kll = 4 x 6.51cm = 26.04 cm <<===


FINISH