If you're trying to find the missing side of the "triangle" (the distance from the house to where the ladder touches the ground), you would use the pythagorean theorem, a²+b²=c². (c is always hypotenuse)
a²+b²=c²
12²+b²=15²
144+b²=225
b²=81
√b²=√81
b=9
Answer:
1. or a
Step-by-step explanation:
hope this helps!
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look up desmos and do it on there it helps alot
Answer will be
A=0.58
B=0.42