Respuesta :
Answer:
A = 549.9 cm²
Step-by-step explanation:
[tex]A=6ah+3\sqrt{3} a^{2}[/tex] Use the equation for surface area of a hexagonal prism
A = 6(5)(14) + 3√3 (5)² Multiply and simplify the exponent
A = 420 + 5.196(25) Multiply
A = 420 + 129.9 Add
A = 549.9 cm²