Answer:
20
Step-by-step explanation:
the sum of the interior angles of a quadrilateral is 360°
[360 - (40 * 2)] : 2 =
280 : 2 =
140°
-------------------------------
140 + 140 + 40 +40 = 360°
Answer: 14 in.
Step-by-step explanation:
https://studyandanswers.com/mathematics/question15147255?#
The answer is 121. Hope that helped :)