Answer:
Step-by-step explanations is the answer:
Answer:nrtfggfnyhrthth vvsdgerghrf
Step-by-step explanation:
fghgf bncf njhgfnfnngfchfgngn fgnffbnfgggnfgn
Here's the solution,
the volume of the given figure is :
=》

volume of pyramid :
=》

=》

=》

=》

volume of pyramid = 40 cm³
now, volume of rectangular prism :
=》

=》

=》

volume of rectangular prism = 40 cm³
volume of composite figure = 40 + 40
=》80 cm³