85 is a composite number because it has more than two factors. 
85 factors are 1, 5, 17, 85
For example 5 is prime because it’s factors are only two of them
5 factors are 1, 5
        
             
        
        
        
The unlabeled part of the right angle is complementary to 68 degrees, so 22 degrees. y is supplementary to 78 degrees, so 102 degrees.  z as the third angle in the small triangle is 180 less than the sum of the other two,
z = 180 - 22 - 102
Answer: 56 degrees
 
        
                    
             
        
        
        
Answer:
f = 3
Step-by-step explanation:
8 = 2f + 2
-2         -2
6 = 2f
/2    /2
3 = f
 
        
             
        
        
        
It’s 76 meters hoped it helped!
        
             
        
        
        
When two chords<span> intersect inside a circle, the product of the two segments of one </span>chord<span> equals the product of the two segments of the other chord.
</span><span>MN*NL=KN*LN
10x=4*20=80
x=8
ML=MN+NL=18
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