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1350 = 6 x r x r
r x r =225
r = 15 cm
panjang diagonal bidang = r
= 15 cm
mohon jaikan jawaban tercerdas
Lp = 1350
6s² = 1350/6
s²= 225
s =√ 225
s = 15
diagonal bidang
d² = s²+ s²
=
=
=
=