Question

. Solve any two of the following subquestions.
i) Prove that the opposite angles of cyclic quadrilateral are supplementary.
ii) A(3, 7), B(5,11) C(-2, 8) are the vertices of AABC. Find the equation
of median AD and find the equation of a line parallel to AD and passing
through the point C.
iii) The angle of elevation of a cloud from a point 60 m above the lake is
30° and the angle of depression of the reflection of cloud in the lake is
60°. Find the height of the cloud.
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Answer 1

Answer:

I only answer one question