Pizza factory has

Given, side of square pizza = 45 cm

∴ Area of square pizza = (45)² = 2025 cm²

Price of 2025 cm² of square pizza = Rs. 150

Price of 1 cm² of square pizza = = Rs. 13.5

Diameter of circular pizza = 50 cm

i.e. Radius = =25 cm

∴ Area of circular pizza = πr² = × (25)² =1964.28 cm²

Price of 1964.28 cm² of square pizza = Rs. 160

Price of 1 cm² of circular pizza = = Rs. 12.27

Since price of 1 cm² of circular pizza is lesser, hence circular pizza is a better deal.