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Answer to Q55

During a banquest, I finished a 18cm diameter pizza and my wife finished two 12cm diameter pizza. Who ate the most?

Let's start by calculating the surface area of the pizza I ate. πr²

Diameter = 18cm. Radius = 18 ÷ 2 = 9cm

A = π x 9²
A = 254.47cm²

And my wife ate two 12cm diameter pizzas

Diameter = 12cm. Radius = 12 ÷ 2 = 6cm

A = π x 6²
A = 113.10cm²

But she ate 2 so,

A = 113.10 x 2 = 226.20cm²

I ate 254.47cm² of pizza and she ate 226.20cm²

Answer: Me

[Moral of the question: there are more pizza in a single 18cm diameter than in two 12cm diameter]

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572 viewsSep 2, 2019 at 07:43

Answer to Q55

During a banquest, I finished a 18cm diameter pizza and my wife finished two 12cm diameter pizza. Who ate the most?

Let's start by calculating the surface area of the pizza I ate. πr²

Diameter = 18cm. Radius = 18 ÷ 2 = 9cm

A = π x 9²
A = 254.47cm²

And my wife ate two 12cm diameter pizzas

Diameter = 12cm. Radius = 12 ÷ 2 = 6cm

A = π x 6²
A = 113.10cm²

But she ate 2 so,

A = 113.10 x 2 = 226.20cm²

I ate 254.47cm² of pizza and she ate 226.20cm²

Answer: Me

[Moral of the question: there are more pizza in a single 18cm diameter than in two 12cm diameter]

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