Question

Two angles of a hexagon are 120° and 160° if the remaining four (4) angles are equal find each equal angle

Answer 1

no. of angles in a hexagon=6
sum of all angles=(n-2)180
=(6-2)×180
=4×180=720
$120 + 160 + 4x = 720$
$280 + 4x = 720$
$4x = 4x = 720 - 280 =440$
$x = 440 \div 4 = 110$