The two cones below are similar. What is the value of x?
A. 0.16
B. 0.32
C. 0.4
D. 0.8

Answer:
.8
Step-by-step explanation:
The ratios have to be the same for the cones to be similar
10 4
----- = ------
2 x
Using cross products
10x = 4*2
10x = 8
Divide by 10
x = 8/10
x = .8