Keliling bidang diagonal kubus jika panjang rusuknya 7 cm?
Matematika
agnesdobre
Pertanyaan
Keliling bidang diagonal kubus jika panjang rusuknya 7 cm?
2 Jawaban
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1. Jawaban mater1777
diagonal sisi kubus = 7√2 cm
keliling diagonal bidang = 2x7 + 2x7√2 = 14 + 14√2 -
2. Jawaban whongaliem
bidang diagola kubus berupa persegi panjang denga ....
p = diagonal bidang kubus
= s√2
= 7√2 cm
l = rusuk kubus
= s
= 7 cm
kll bidang diagonal = 2 (p + l)
= 2 (7√2 + 7)
= 14 + 14√2 cm