Well 1 cm = 2ft, so it might be asking the scale?
Answer:
a≤9
Step-by-step explanation:
Ratio = 2:3
Let smaller angle be 2x
Let bigger angle be 3x
Sum of two complementary angles = 90
2x + 3x = 90
5x = 90
x = 90/5 = 18
Smaller angle = 2x= 2*18 = 36
I hope it is helpful :D