Respuesta :

joedennis5438ou0yhw
square root of 9^2+12^2
as you can see, if you draw a segment from a to j, you'll get the right triangle JAG, with right angle in A.

AJ would be the hypothenuse.

AJ = √AG²+GJ² = √9²+12² = √81+144 = √225 = 15 units.

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