p.sisi kubus ABCD.EFGH 7 cm
dit :
p. diagonal bidang
diagonal ruang
luas bidang diagonal
Diket :
Diagonal bidang = sisi akar 2 = 7 akar 2
Diagonal ruang = sisi akar 3 = 7 akar 3
Luas bid. diagonal = s× diagonal bid
= 7 × 7 akar 2
= 49 akar 2
p.sisi kubus ABCD.EFGH 7 cm
dit :
p. diagonal bidang
diagonal ruang
luas bidang diagonal
Diket :
Diagonal bidang = sisi akar 2 = 7 akar 2
Diagonal ruang = sisi akar 3 = 7 akar 3
Luas bid. diagonal = s× diagonal bid
= 7 × 7 akar 2
= 49 akar 2