The length of BC is  .
.
Solution:
Given ABC is a right triangle.
AC is the hypotenuse and BD is the altitude.
AB and BC are legs of the triangle ABC.
AC = 16 and DC = 5
<u>Leg rule of geometric mean theorem:</u>



Do cross multiplication.



Taking square root on both sides.


square and square roots get canceled, we get

The length of BC is  .
.
 
        
             
        
        
        
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Answer:
No, a triangle cannot have 2 obtuse angles. The definition of an obtuse angle is an angle with a measure that is greater than 90°.
Step-by-step explanation:
 
        
                    
             
        
        
        
The function models Exponential Decay due to the fact that as 
x -> infinity, y-> 0
 
        
        
        
Answer:
12.6 miles I think. I would wait for another answer to be possitive.