Jawabanmu

2014-04-27T11:37:10+07:00
V= a.t 567 = 21.t T = 567/21 T = 27 cm
Jawaban paling cerdas!
2014-04-27T11:38:13+07:00
V= 1/3 × s² × t
567= 1/3 × s² × 21
567/7= s²
√81 = s
9 = s
diagonal bidang : 
√ s² + s²
√ 9² + 9²
√ 81+81
√162 = √ 9² ×2= 9 √2 cm


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