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Verified answer
L=7002 (pl+pt+lt) = 700
pl+pt+lt= 350
15. 8 + 15t + 8t = 350
120 + 23t = 350
23t = 350 - 120
23t = 230
t= 230/23
t = 10
tinggi balok 10 cm
Verified answer
Bangun RuangLp balok = 2 (pl + pt + lt)
700 = 2 (15 x 8 + 15t + 8t)
700 : 2 = 120 + 23t
350 - 120 = 23t
230 = 23t
230 : 23 = t
t = 10 cm
Jadi tinggi balok adalah 10 cm.
*semoga membantu. sukses selalu ^_^