Question

find the measures of angle Q and angle R​

Answer 1

Answer:

Angle Q=70°

Angle Q=70°Angle R= 140°

Step-by-step explanation:

80° + 70° + 2x + x = 360° [Sum of angles of a quadrilateral are 360]

150+3x=360

3x=360-150

x=210/3

x= 70°

i.e., Angle Q =x= 70°

Angle R =2x=140°