Quandaries
and Queries 

Hello, My name is Sherry and I am a student. My question is regarding secondary level geometry proofs. I am having much difficulties with the following proofs. I have to answer one as a paragraph proof, one as a flow chart proof and two as a twocolumn proof. The proofs are as follows: 1. If Circle K has tangents RT and TY where R and Y are the points of tangency, then angle RKY and angle RTY are supplementary. 2. If one diagonal bisects a pair of opposite angles in a quadrilateral, then the quadrilateral is a kite. 3. Write an analytical proof: Given: Triangle OBC with midpoints D, E, and F of OC, OB, and BC respectively. Prove: Area of triangle FDE = 1/4 Area triangle OBC 4. Write an indirect proof to show that the measure of an exterior angle of a triangle is equal to the sum of the two remote interior angles of the same triangle. These are the four proofs that I need help understanding. Any help would be greatly appreciated. 

Hi Sherry, I am not going to do your homework but I will give you some hints.
Penny 

