Answer:
Step-by-step explanation:
Given is the 30*60*90 right triangle.
Its side ratio is:
- a : b : c = 1 : √3 : 2, from the shortest to the longest sides
We have:
Use the above ratios to find the length of a:
- a : c = 1 : 2
- x : 9 = 1 : 2
- x = 9/2
- x = 4.5
