Answer:

Step-by-step explanation:
All the angles in a triangle add up to 
Every right angle triangle has a right angle in it which is 
So to find the remaining angle, you do
-
-
= 
Answer:
1/3
Step-by-step explanation:
Answer:
2.4 or 2 2/5
Step-by-step explanation:
Answer:
height 3 inches
Step-by-step explanation:
h = V/LW = 45/3x5 = 3 inches