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Verified answer
JawabBalok
sisi berdekatan dengan perbandingan luas = 8 : 2; 5
pl : lt : pt = 8 : 2 : 5
pl = 8a
lt = 2a
pt = 5a
pl. lt. pt = 8a .2a . 5a
p².l².t² = 80 a³
(v)² = 80 a³
80 a³ = 800 dm
a³ = 10 dm³
a = ∛10 dm
p= 8a = 8 ³√10 dm
l= 2a = 2 ³√10 dm
t = 5a = 5 ³√10 dm