Question

Luas jaring2 balok 484cm2
panjang balok 10cm dan lebar 9cm tetukan tinggi?

Answer 1

Luas balok = 2 (p.l + p.t + l.t)
484 = 2 (10.9 + 10.t + 9.t)
484 = 2 (90 + 19t)
90 + 19t = 484/2
90 + 19t = 242
19t = 242 - 90
19t = 152
t = 152/19
t = 8 cm

semoga membantu ya :)