4 a set designer for a play makes a whale tail out of a semicircle wit
4. A set designer for a play makes a whale tail out of a semicircle with an isosceles triangle cut out of it.
What is the area of the whale tail? [ 5 mark]
5. A decorator is wallpapering a wall with a circular window of diameter 1.00 m.
What is the area of the wall in square feet? (1 m - 3.2808 feet) [ 6 marks]
6. A furniture designer builds a trapezoidal desk with a semicircular cutout. What is the area of the desk?
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