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Firlakuza [10]
3 years ago
8

A 13​-foot ladder is placed against a vertical wall of a​ building, with the bottom of the ladder standing on level ground 5 fee

t from the base of the building. How high up the wall does the ladder​ reach?
The ladder reaches feet up the wall.
Mathematics
1 answer:
Tanzania [10]3 years ago
8 0
The answer is 12 because (a^2 + b^2 = c^2) 

5^2 + b^2 = 13^2  
 25  + b^2 = 169
                                                                          
169- 25 = 144    
 \sqrt{144}  Sqaure root of 144 is 12 so If we plug that in..
 25 + 144 = 169 
5^2 + 12^2 =13^2 
This all checks out 
~Hope This helps
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