Question

Three angles of a quadrilateral are 85degree 100degree and 75 degree then find the fourth angle of a

Answer 1

85+100+75+x=360
x=100
so fourth angle is 100°
pls mark as brainliest

Answer 2

Step-by-step explanation:

85 + 100 75 + X = 360

260x = 360

X = 360-260

X= 100°

the forth angle is 100°