AC if AB

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AC if AB

by sanju09 » Fri Feb 27, 2009 6:35 am
A and B are two points with the co-ordinates (-2, 0) and (0, 5). What is the length of the diagonal AC if AB form one of the sides of the square ABCD?

A. sqrt 29
B. sqrt 58
C. sqrt 116
D. 2 sqrt 58
E. sqrt 61

OA B
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by krisraam » Fri Feb 27, 2009 6:45 am
distance between points = Sqrt( 5^2 + 2^2).

side of the square = sqrt(29)

diagonal of the square = sqrt(29 + 29)

sqrt(58)

Thanks
raama