7x10^4
Because there are 4 sets of 10
3x (4x^4-5x)
add all of the numbers with a x to get
12x^4
and 12x^4=
20736x
Every triangle’s inner angles’ addition equals to 180°
So if we find the x:
38°+x+2°+x=180°
40°+2x=180°
2x=180°-40°=140°
x=140°/2
x=70°
Now if we find the I hope this helped :)