Question

Elizabeth bought a cheese pizza. It was served on a metal tray with a diameter of 22 centimeters. What is the tray's area?

Answer 1

The Area of the tray ≈380 cm

Solution:

• We are given the diameter of the tray, which is equivalent to 22 cm.
• We are asked to find the area of the tray.
• Remember the formula:
• Area of a circle = πr²
• Where
• π -> pi (3.14...)
• r -> radius
• Notice that we aren't given the radius. We're given the diameter only.
• No reason to panic. We can easily find the radius by dividing the diameter by 2.
• The radius is equal to 11 cm.
• Now, plug the values into the formula:
• A=π(11)²
• A=121π
• A≈380 cm

Hope it helps.

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