Page 84 - flipbook open ended aljabar 1_

Keliling I = 10 + 10 + 4 + 4 = 8 + 20 cm

Keliling II = 6 + 6 + + = 2 + 12 cm

Keliling III = x+ + 4 + 4 = 10 cm
Keliling IV= 6 + 10 + 6 + 10 = 32 cm

Keliling Persegi Panjang diatas adalah
+ + +

8 + 20 + 2 + 12 + 10 + 32
20 + 64 cm

Cara 3

6 4x

I II 10

IV

x III

Keliling I = 6+10 + 10 + 6 = 32 cm

Keliling II = 4 + 10 + 4 + 10 = 8 + 20 cm

Keliling III = + 6 + + 6 = 2 + 12 cm
Keliling IV= 4 + + 4 + = 10 cm

Keliling Persegi Panjang diatas adalah
+ + +

32 + 8 + 20 + 2 + 12 + 10
20 + 64 cm