Caranya gmn??

<p>Diketahui :</p><p>Bangun Ruang Balok dengan :</p><ul><li>p = 8 cm</li><li>l = 6 cm</li><li>t = 4 cm</li></ul><p>Ditanya :</p><p>Panjang diagonal ruang (dr)?</p><p>&nbsp;</p><p>Penyelesaian :</p><ol><li>Mencari diagonal sisi (ds)</li></ol><p>&nbsp; &nbsp; &nbsp; ds &nbsp;= √p² + l²</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √8² + 6²</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √64 + 36</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= √100</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 10 cm</p><p>2. Mencari diagonal ruang (dr)</p><p>&nbsp; &nbsp; &nbsp;dr = √ds² + t²</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}= √10² + 4²</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}= √100 + 16</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}= √116</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}= √4 x 29</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;}= √4√29</p><p>^{&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;}= 2√29 cm</p><p>&nbsp;</p><p>Jawaban : A</p><p>&nbsp;</p><p>(Lebih jelasnya silahkan liat gambar)</p>