Answer:
C 24
Step-by-step explanation:
The two triangles formed will be similar.
Two similar triangles have the ratio of the corresponding sides being proportional.
[tex] \frac{height \: o \:house}{height \: of \: flagpole} = \frac{shadow \: of \: house}{shadow \: of \: flagpole} [/tex]
[tex]\frac{height \: o \:house}{9} = \frac{32}{12} [/tex]
[tex]height \: of \: house= \frac{32}{12} \times 9[/tex]
[tex]heigt \: of \: house = 24ft[/tex]