3. Use a proportion to find the distance across the water from C to D.

Answer:
35m
Step-by-step explanation:
Triangle 1 has an 8:20 ratio which can be simplified to 2:5 ratio
so We can apply this to 14
(14/2) * 5
7 * 5
35 meters
-- Gage Millar Algebra 1/2 tutor