Question 8:
Your choice is correct: two figures are similar if all correspondant sides are in the same ratio.
In your case, the figure on the right have correspondant sides which are all three times the figure on the left, since

So, the two figures are similar and their ratio is 1:3.
Question 9:
We follow exactly the same approach: let's see if the radii and the heights are in the same ratio: the radii are in ratio

While the heights are in ratio

So, the answer is again yes, they are similar, and the ratio is 1.6.
Step-by-step explanation:
everything can be found in the picture above. Hope this helps
Answer: ah amigo no se lo que necesites ayuda con ..
Step-by-step explanation:
Answer:
the answer is c 162
Step-by-step explanation:
formula for triangular prism: 1/2*b*h1*h2
substitute the values into the formula:
6*3*18=324
324/2=162
plz vote my answer the brainiest if it helps, thanks!
Answer:
2/5
Step-by-step explanation:
5+4+1 = 10. If you have 4 nickels out of 10 coins, it means there is a 4/10 chance of selecting one, but to simplify, 2 is the greatest common factor, so you would divide each number.
4/2 = 2.
10/2 = 5.
The answer is 2/5.