We would use the sine function because we have an angle the hypotenuse, and the unknown opposite side.
sin(x)=opposite/hypotenuse
sin(60)=x/30
√3/2=x/30 (cross multiply)
30*√3/2=x (divide numerators and denominators by 2)
x=15√3 ft. 
So the correct answer is A
Hope this helps
        
                    
             
        
        
        
Answer:
295X12
Step-by-step explanation:
GOOD LUCK 
 
        
             
        
        
        
✦ ✦ ✦ Beep Boop - Blu Bot! At Your Service! Scanning Question . . .
       Code: Green! Letters, Numbers, and Variables Received! ✦ ✦ ✦
--------------------------------------------------------------------------------------------------------------Question: x3+y3+z3=k, with k being all the numbers from one to 100
--------------------------------------------------------------------------------------------------------------Answer: X = -80538738812075974, Y = 80435758145817515, and Z = 12602123297335631.
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Your answer is 175.
Hope this helps!
        
                    
             
        
        
        
88.23%
Simply plug 15/17 into you calculator 
and it will give you a decimal, in this case it should be .88235294...
simply move the decimal back to placements and you should have
88.235294... thats still a lot of numbers so just reduce it to 2 places after the decimal and add a percent sign
88.23%
and your done :) this works for any similar problems
I hope this helps