10 cm. Because for each cm is 10 mm.
C) 3, 4, 5
any triangle with that ratio will make a right triangle
Answer:
18
Step-by-step explanation:
as you see the smaller model is the same shape if you put the small model the same way the big one is you see the small model has a one where the big one has a nine so you times everything by nine because nine times one is 9 so you do that and see that the two is where the x is and times the 2 by nine and thats your answer