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Dit :
A. panjang sisi (s) = ...?
B. Luas (L) = ...?
Jwb
A
K persegi = 60
4s = 60
s = 60/4
s = 15 m
B
L persegi
= s × s
= 15 × 15
= 225 m
60M = 4 X S
S = 60/ 4
S = 15
B. L = S X S
15 X 15
= 225
semoga membantu :)