annamawhinney2
Answered

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Sagot :

Here's the solution,

volume :

=》

[tex] \dfrac{1}{2} \times 12 \times 5 \times 3[/tex]

=》

[tex]90 \: \: m {}^{3} [/tex]

surface area :

=》

[tex](13 \times 3) + (5 \times 3) + (12 \times 3) + (2 \times \dfrac{1}{2} \times 12 \times 5)[/tex]

=》

[tex]39 + 15 + 36 + 60[/tex]

=》

[tex]150 \: \: {m}^{2} [/tex]
the answer is 150 m2 your welcome
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