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Jawaban: L= s×s
= 6×6 = 36
K= 4×s= 4×6= 24
2. Sebuahkolam berbentu persegi, sisi tepinya 20m tentukan:
a) keliling kolam
b) Luas permukaan kolam
Jawaban:
K= 4×s=4×20 = 80m
L= s×s= 20×20= 400m