Answer:
Step-by-step explanation:
we have
-----> equation A
----->
-----> equation B
Substitute equation B in equation A
solve for Y
Answer:
C
Step-by-step explanation:
The volume of the regular pyramid is 
The base of given pyramid is regular hexagon with side 12 cm. The are of this hexagon consistsof area of 6 equilateral triangles and is equal to

Hence, the volume of the pyramid is
