For ΔABC, ∠A = 8x - 10, ∠B = 10x - 40, and ∠C = 3x + 20. If ΔABC undergoes a dilation by a scale factor of
1
2
to create ΔA'B'C' with ∠A' = 6x + 10, ∠B' = 70 - x, and ∠C' =
10x
2
, which confirms that ΔABC∼ΔA'B'C by the AA criterion?

Question

For ΔABC, ∠A = 8x - 10, ∠B = 10x - 40, and ∠C = 3x + 20. If ΔABC undergoes a dilation by a scale factor of 
1
2
 to create ΔA'B'C' with ∠A' = 6x + 10, ∠B' = 70 - x, and ∠C' = 
10x
2
, which confirms that ΔABC∼ΔA'B'C by the AA criterion?

jhonyy9 · Answer

do you know what mean a dilation by a scale factor of 1/2 ?