Answer:
16u+7
Step-by-step explanation:
isosceles triangle has two sides equal. 2(one of the sides)+the base(5)
let :
a= 8u+1
b=8u+1
c=5
<u>perimeter=a+b+c</u>
perimeter=8u+1+8u+1+5
perimeter=16u+7 units
Answer:the rock would be at a point 12 m from water
The answer is C
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