Answer:
The expression to this question can be defined as follows:
Step-by-step explanation:
Given angle:
1. 60°
2. 120°
Formula:

The Expression for point 1:

The Expression for point 2:

Since .25*10 is 2.50 and .10*15 is 1.50 it equals $4. So the ratio is 10:15 which turns to 2:3 ratio simplified.
the have identical length so to know the length of each pipe you should divide 22.4 by 7
22.4 / 7 = 3.2
16 is the answer just add