Question

Prove that : Angle A+B+C+D+E+F=360

Answer 1

since the figure is cosist of two triangles that is triangle AEC and triangle. FDB

but in triangle AEC

angle A +angle E +angleC =180° (ASP of triangle)

but in triangle FDB

angle F +angle D +angleB =180° (ASP of triangle)

ADDING BOTH WE GET

A+E+C+F+D+B=180°+180°

=A+B+C+D+E+F=360°

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