Daniela is a stain glass artist; she created the window below for her living room. What is
the area of the window she created?

Answers

The window has a shape of a semi-circle (half of a circle). We know the diameter d = 12 ft. The area of a (complete) circle is given by the formula: A = π × r² The radius can be found by halving the diameter: r = d ÷ 2   = 12 ÷ 2   = 6 ft Therefore the area of the circle will be: A = π × r²     = 3.14 × 6 ²     = 3.14 × 36     = 113.04 ft² And the area of the semi-circle: A =  113.04  ÷ 2    = 56.52 ft² Hence, the area of the window will be 56.52 ft².


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