Asked by Poppy

In class we learnt operation with radicals

how would you answer a question like this

determine the length of the line segment from A(-2,7), to B (4,1)?
Answered by Reiny
length of line = √[ (4+2)^2 + (1-7)^2]
= √(36+36)
= √72 = √36√2
= 6√2
Answered by Poppy
Thank you so much !!!
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