3| 42 , 63 , 84
7| 14 , 21 , 28
1| 2 , 3 , 4
2 × 3 × 4 × 7 × 3 = 504
Answer:
The answer would be (D 70 degrees
Step-by-step explanation:
Each triangle is 180 degrees. 180 - 40 equals 140. 140 divided by two equals 70.
Hope this helps ^^✨
hope this helps