Question

Maths
The
Hw
three
angles
60° , 80° and 120°. Find the fourth
of
a quadrilateral
are
angle ?​

Answer 1

Step-by-step explanation:

Let the fourth angle be x

Now,

60°+80°+120°+x=360(Angle sum property of a quadrilateral)

x+260°=360°

x=360-260

x=100°