Question

three angles of a quadrilateral are 65° 115° and 60° find the fourth angle​

Answer 1

Answer:

answer is 120

Explanation:

sum of all angles of quadrilateral is=360

65+115+60+x=360

240+x=360

x=120

Answer 2

Answer:

120°

Explanation:

Let the 4th angle be x°

We know sum of angles of a quad is 360°

Now:

65°+115°+60°+x°=360°

240°+x=360

x=360-240

x=120°

HOPE IT HELPS YOU.