# Pizza factory has come out with two kinds of pizzas. A square pizza of side 45 cm costs ₹150 and a circular pizza of diameter 50 cm costs ₹160 (Fig. 9.36). Which pizza is a better deal?

**Solution:**

Given, the pizza factory has come out with two kinds of pizzas.

A square pizza of side 45 cm costs ₹150

A circular pizza of __diameter__ 50 cm costs ₹160

We have to determine which pizza is a better deal.

__Area of square__ = (side)²

Area of square pizza = (45)²

= 2025 cm²

Amount in Rs. 1 square pizza = 2025/150

= 13.5 cm² ------------------ (1)

__Area of circle__ = πr²

Given, diameter of pizza = 50 cm

Radius = 50/2 = 25 cm

Area of circular pizza = 22/7 × (25)²

= 22(625)/7

= 13750/7

= 1964.29 cm²

Amount in Rs. 1 circular pizza = 1964.29/160

= 12.27 cm²---------------------- (2)

From (1) and (2),

We observe that square pizza is a better deal.

Therefore, square pizza is a better deal.

**✦ Try This: **The adjoining figure represents a rectangular lawn with a circular flower bed in the middle. Find the circumference of the flower bed.

**☛ Also Check: **NCERT Solutions for Class 7 Maths Chapter 11

**NCERT Exemplar Class 7 Maths Chapter 9 Problem 82**

## Pizza factory has come out with two kinds of pizzas. A square pizza of side 45 cm costs ₹150 and a circular pizza of diameter 50 cm costs ₹160 (Fig. 9.36). Which pizza is a better deal?

**Summary:**

Pizza factory has come out with two kinds of pizzas. A square pizza of side 45 cm costs ₹150 and a circular pizza of diameter 50 cm costs ₹160 (Fig. 9.36). Circular pizza is a better deal

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