a. Menentukan volume balok.

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 2px end attributes row Volume equals cell panjang cross times lebar cross times tinggi end cell row blank equals cell 25 cross times 15 cross times 10 end cell row blank equals 3750 end table end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mtable columnspacing=¨2px¨ columnalign=¨right center left¨»«mtr»«mtd»«mi»Volume«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mi»panjang«/mi»«mo»§#215;«/mo»«mi»lebar«/mi»«mo»§#215;«/mo»«mi»tinggi«/mi»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»25«/mn»«mo»§#215;«/mo»«mn»15«/mn»«mo»§#215;«/mo»«mn»10«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»3750«/mn»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="50" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -21px;" width="237" />

Jadi, volume balok tersebut adalah&nbsp;<img align="middle" alt="begin mathsize 14px style 3750 space satuan space volume end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»3750«/mn»«mo»§#160;«/mo»«mi»satuan«/mi»«mo»§#160;«/mo»«mi»volume«/mi»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="140" />.

b. Menentukan luas alas balok.

<img align="middle" alt="begin mathsize 14px style table attributes columnalign right center left columnspacing 2px end attributes row cell Luas space alas space balok end cell equals cell panjang cross times lebar end cell row blank equals cell 25 cross times 15 end cell row blank equals 375 end table end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mtable columnspacing=¨2px¨ columnalign=¨right center left¨»«mtr»«mtd»«mi»Luas«/mi»«mo»§#160;«/mo»«mi»alas«/mi»«mo»§#160;«/mo»«mi»balok«/mi»«/mtd»«mtd»«mo»=«/mo»«/mtd»«mtd»«mi»panjang«/mi»«mo»§#215;«/mo»«mi»lebar«/mi»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»25«/mn»«mo»§#215;«/mo»«mn»15«/mn»«/mtd»«/mtr»«mtr»«mtd/»«mtd»«mo»=«/mo»«/mtd»«mtd»«mn»375«/mn»«/mtd»«/mtr»«/mtable»«/mstyle»«/math»" height="50" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -21px;" width="235" />&nbsp;

Jadi, luas alas balok tersebut adalah&nbsp;<img align="middle" alt="begin mathsize 14px style 375 space satuan space luas end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mn»375«/mn»«mo»§#160;«/mo»«mi»satuan«/mi»«mo»§#160;«/mo»«mi»luas«/mi»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="109" />.

Diketahui&nbsp;<img align="middle" alt="begin mathsize 14px style p equals 25 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»p«/mi»«mo»=«/mo»«mn»25«/mn»«/mrow»«/mstyle»«/math»" height="13" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -3px;" width="44" />;&nbsp;<img align="middle" alt="begin mathsize 14px style l equals 15 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»l«/mi»«mo»=«/mo»«mn»15«/mn»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="39" />&nbsp;dan&nbsp;<img align="middle" alt="begin mathsize 14px style t equals 10 end style" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨14px¨»«mrow»«mi»t«/mi»«mo»=«/mo»«mn»10«/mn»«/mrow»«/mstyle»«/math»" height="11" role="math" src="data:image/png;base64,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" style="max-width: none; vertical-align: -1px;" width="40" />. Berapa volume balok dan luas alas balok?

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Diketahui ; dan . Berapa volume balok dan luas al...

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