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ABCD is a cyclic quadrilateral. Find k.

Answers

2k + 80 + 3k = 180
5k = 100
k = 20⁰

Kavungya answered the question on November 15, 2019 at 05:33

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Next: Solve for x in 4 sinx – 4 cos² x = -1 for 0 = x = 360⁰.

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