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The area of the top surface of wedge shaped cheeses bought by Mai is; 39.3 cm².
The area of a circular sector is the total space occupied by it. The sector area is half of the product of the square of radius of the circle and the central angle.
It can be calculated if θ is measure in degree as;
A = πr²θ/360
We are given;
Radius; r = 10 cm
Central Angle; θ = 45°
Thus;
A = π(10)² * 45/360
A ≈ 39.3 cm²
Thus, the area of the top surface of wedge shaped cheeses bought by Mai is 39.3 cm².
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