Answer:
x-10 +x = 8 + 2x - 18
Step-by-step explanation:
The answer is A, 72
Dilation changes the size of the shape and is not a rigid motion.
180 - 26 = 154
10x + 8 + 9x - 25 = 154
19x - 17 = 154
19x = 171
x= 9
so » C is:98°
and » D is: 56°