R formula Part II


ABCD is a quadrilateral where AB = 2 cm and BC = 4cm. Angles BAD and BCD each equals to θ

a) Express the length of AD in terms of θ
b) Determine the maximum length of AD and the corresponding value of θ
c) Find the value of θ for which AD= 3cm


Worked solutions
a)

















b)




















c)

Given AD = 3 cm











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