Question

Luas jaring jaring balok 484 cm persegi. tentukan panjang,lebar dan tinggi balok?

Answer 1

Jj = 4(p x l) + 2(l x t)  anggap l dan t = 5

484 = 4(5p) + 2(5 x 5)
484 = 20p + 50
20p = 484 - 50
p = 434/20
p = 21.7

jd
p = 21.7
l = 5
t = 5