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You can work out the area of a circle by squaring the radius (multiplying the radius by itself) and multiplying this by pi.

In this case the radius is 22cm so multiply 22 by 22. This equals 484.

Multiply 484 by pi (3.14).

This makes the answer 1520.53 cm2.

Make sure that this is the radius and not the diameter. The radius is only from the centre of the Pizza to one side, not all the way across, because that sounds like a massive pizza.

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Q: What is the area of a pizza with a radius of 22cm?
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