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Option 3 : ∠BAC = 60°

Step-by-step explanation:

Exterior angle = sum of interior opposite angles.

That is ,

            2x + 3x = 150°

              5x = 150°

                  x = 30

∠BAC = 2x = 2 × 30 = 60°

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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