Jawab:
Rumus keliling adalah = 4 x sisi maka :
a.) 4 x 13 cm = 52 cm
b.) 4 x 21 cm = 84 cm
c.) 4 x 43 cm = 172 cm
a.s=13
K=s×4
K=4×13
K=52cm
B.K=21×4=84cm
C.K=4×s
K=4×43
K=172cm
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Jawab:
Rumus keliling adalah = 4 x sisi maka :
a.) 4 x 13 cm = 52 cm
b.) 4 x 21 cm = 84 cm
c.) 4 x 43 cm = 172 cm
Jawab:
a.s=13
K=s×4
K=4×13
K=52cm
B.K=21×4=84cm
C.K=4×s
K=4×43
K=172cm