Answer:
...The measures of the four angles inside any quadrilateral have a sum of 360 degrees.
x given in °.
2x-19°+x+17°+2x-37°+3x+7°=360
8x-32=360°
8x=360+32
x=49°
A= 2x-19⇒2*44-19=69°
B = x+17°=44+17=61°
sum of angles A and B : 130°
8.4m questions
11.0m answers