Question

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Answer 1

Answer:

1. 56.52 inch

2. 254.34 sq.inch

3. $45.78

Step-by-step explanation:

1. Circumference of a circle = 2πr or πd

Wherein r is radius and d is diameter and d= 2r

Circumference = 3.14 * 18 = 56.52 inch.

2. Area of pizza = πr² = πd²/4

= (3.14 * 18 * 18)/4 = 254.34 sq.inch

3. Total cost of pizza = cost per sq.inch * area of pizza

= 0.18 * 254.34 = $45.78 (rounded off to 2 decimal places)