In the figure below ABCD is a rectangle and DA and CB are radii of circles tangent externally, AB = 4 cm. Provide the answer in terms of π (Do not approximate) Find: Radius DA
Area of rectangle ABCD
Area of shaded region
Perimeter of shaded region

PLEASE HELP WILL MARK BRAINLIEST

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

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