1. A 15 foot ladder leans up against a building. The foot of the ladder is 12 feet from the base of the building
How high up the wall, to the nearest foot does the ladder reach?
How high up the wall, to the nearest foot does the ladder reach?
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Answers & Comments
Answer:
9ft
Step-by-step explanation:
c= 15 ft
b= 12 ft
a=?
using pythagorean theorem
a = √15
- 12 
a =√225
-144
a=√81
a= 9ft