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Mathematics 19 Online
OpenStudy (anonymous):

Find the length of AP and BP if both are Congruent Tangent Segments. AP= 3x+6cm and BP= 5x-12cm I have the formula and answer but I just need to know how to work out the problem in simple terms. [URL=http://s790.photobucket.com/user/MoGoYo480/media/xled_zps1d90d258.jpg.html][IMG]http://i790.photobucket.com/albums/yy186/MoGoYo480/xled_zps1d90d258.jpg[/IMG][/URL]

OpenStudy (anonymous):

I figured it out. 6 x 2 = 12 12 + 6 = 18 18 / 2 = 9 9 x 3 = 27 27 + 6 = 33cm Answer: 33cm The actual formula confuses me but here's what it's suppose to look like: 3x+6=5x-12 6=2x-12 18=2x 9=x Since AP=3x+6, by substitution, AP =3(9) +6=27+6= 33cm

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