sebuah prisma tegak memiliki alas segi enam beraturan yang panjang sisinya 6 cm. Jika luas segi enam beraturan tersebut 94 cm² dan luas seluruh permukaan 836 cm², tinggi prisma tereebut ..... cm

<p>Jawaban yang benar adalah 18 cm</p><p>&nbsp;</p><p>Pembahasan :</p><p>Luas &nbsp;sisi tegak = luas seluruh permukaan - 2 x luas alas</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 836 - (2 x 94)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 836 - 188</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp;648 cm²</p><p>Luas sisi tegak = keliling alas x tinggi prisma</p><p>Tinggi prisma = Luas sisi tegak : Keliling alas</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 648 : (6 x 6)</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 648 : 36</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 18 cm</p>