Answer:
7 inches keh
Explanation:
using Pythagoras a²+b²=c²
so it's rearranged to c²-b²=a² or c²-a²=b²
first we get 13²-11²
next we do 169-121
this makes 48
square root 48 is 6.90 inches
this rounds up to 7 Inches
your answer would be B: 7 inches
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