Question

three angles of a quadrilateral are 60°,80°,150°, fourth angle is​

Answer 1

Answer:

70°

Step-by-step explanation:

ANGLE IN A QUADRILATERAL SUM IS EQUAL TO 360°

LET THE UNKNOW ANGLE BE "X"

60°+80°+150°+X°=360°

290°+X°=360°

X°=360°-290°

X°=70°

THEREFORE THE FOURTH ANGLE IS 70°