WindsorLynne WindsorLynne

02-08-2017
Mathematics

contestada

Line GJ is tangent to point A at point G.

If AG = 9 and GJ = 12, find AJ.

Line GJ is tangent to point A at point G If AG 9 and GJ 12 find AJ class=

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baggymilk baggymilk

02-08-2017

Okay we know that tangent-chords creat 90 degree angles so what we have is a right triangle with a base of 9 and a height of 12, so do Pythoagoreas Theorem and we have 81+144=225 square root of 225 is 15 and that is AJ

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choixongdong choixongdong

02-08-2017

AJ = square root (9^2 + 12^2)
AJ = square root (81 + 144)
AJ = square root (225)
AJ = 15

answer
15

Answer Link

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