Answer:
C.) 60x²+132x+72
Step-by-step explanation:
[tex]d_{1} }[/tex]=(6x+6)cm
[tex]d_{2}[/tex]=(10x+12)cm
Area (A) = [tex]d_{1} . d_{2}[/tex]
=(6x+6)×(10x+12)
= 6x × 10x +6x × 72+6×10x + 12×6
= 60x² + 132x + 72