Lpersegi =s²
169=s²
s=√169
s=13 cm
K persegi=4×s
=4×13
=52 cm (d)
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Lpersegi =s²
169=s²
s=√169
s=13 cm
K persegi=4×s
=4×13
=52 cm (d)
169 =
13 = s
K = 4s
= 4 * 13
= 52