Provide the Requested Proof $\mathrm { ABCD }$ Is Any Square with Diagonals

question 37

Short Answer

Provide the requested proof.
-Suppose polygon $\mathrm { ABCD }$ is any square with diagonals $\overline { \mathrm { AC } }$ and $\overline { \mathrm { BD } }$ intersecting at point $\mathrm { F }$ .


What is the measure of angle BFC?

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