Question Number 183325 by Acem last updated on 25/Dec/22
Commented by Acem last updated on 25/Dec/22
$$\:{The}\:{polygon}\:{is}\:{a}\:{sqware} \\ $$
Answered by Acem last updated on 27/Dec/22
Commented by Acem last updated on 27/Dec/22
$$\:\:\:\:\:\:\:\:\:\:\:\:\:{BC}\:{is}\:{a}\:{tangent}\:{of}\:{the}\:{circle},\:{also}\:{BA} \\ $$$$\:\boldsymbol{{Also}}\:\boldsymbol{{DC}}\:{and}\:{from}\:{D}\:{there}'{s}\:{the}\:\mathrm{2}{nd}\:{tangent}\:{of} \\ $$$$\:{that}\:{circle}\:``{DE}\:''\:{that}\:{means}\:{that}\:{the}\:{both}\:{triangles} \\ $$$$\:\bigtriangleup\:{CDF},\:\bigtriangleup\:{EDF}\:{are}\:{congruents}. \\ $$