What is the perimeter of the rectangle, shown at the right? 
Solution
Correct Answer: Option C
(Diagonal)2 = (Base)2+(Height)2
=> 102 = (Base)2+62
=> (Base)2=100-36
=> (Base)2=64
=> Base=8
So, perimeter of rectangle=2(Base+Height)
=2(6+8)=28
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