Question

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

Answer 1

Answer:

Sum of all the angles of a quadrilateral is 360. So the measure of 4th angle=360-sum of other three angles. Sum of given three angles=60+80+120=260.

Step-by-step explanation:

PLEAE MARK ME AS BRAINLIEST

Answer 2

question:The three angles of a quadrilateral are 60°,80° and 120°. Find the

fourth angle?

Answer:The sum of four angles of a quadrilateral are 360degree

So fourth angle of quadrilateral =

360-60+80+120

360-260

100degree

plz follow