Question

If  the three angles  of  a quadrilateral are 120,  130, 10 then the fourth angle is​

Answer 1

100
Because the sum of all four angles of the quadrilateral is 360º, so u need 100 to get the 360

Answer 2

100

Explanation:

120 + 130 + 10 = 260

360 - 260 = 100