The sum of the degrees for all triangles is 180, so just add the two you have and subtract from 180.
1. 58 + 47 = 105
180 - 105 = 75
Therefore x = 75
2. 91 + 26 = ?
180 - ? = ?
etc
Answer:
Step-by-step explanation:
4000 years
$240
40*6=240
