Answer:
309
Step-by-step explanation:
Answer:
x = 3
Step-by-step explanation:
We can solve this by using ratios of similar triangles
3 x
------ = ------------
3+9 12
3 x
------ = ------------
12 12
x must equal 3 to keep the ratios the same
Answer:
The answer is 21
Step-by-step explanation:
All you have to do is 9+12
Brainliest??
Answer:
x=8.6
Step-by-step explanation:
x=8.6