Question

Please help me with this question!

Answer 1

The answer is 150 m2 your welcome

Answer 2

Here's the solution,

volume :

=》

$\dfrac{1}{2} \times 12 \times 5 \times 3$

=》

$90 \: \: m {}^{3}$

surface area :

=》

$(13 \times 3) + (5 \times 3) + (12 \times 3) + (2 \times \dfrac{1}{2} \times 12 \times 5)$

=》

$39 + 15 + 36 + 60$

=》

$150 \: \: {m}^{2}$