Respuesta :
sum of interior angle of heptagon=(7-2)×180°
=900°
the remain interior angle=900-120-150-135-170-90-125
=110°
the smallest interior angle is 90°
so the largest exterior angle=360-90
=270°
=900°
the remain interior angle=900-120-150-135-170-90-125
=110°
the smallest interior angle is 90°
so the largest exterior angle=360-90
=270°