In right triangle ABC, segment AD is an altitude to the hypotenuse, CD=9, and DB=4. Find AC
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In right triangle ABC, segment AD is an altitude to the hypotenuse, CD=9, and DB=4. Find AC

[From: ] [author: ] [Date: 11-08-22] [Hit: ]
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please show all work

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So the right triangle has angle A = 90 degree. BC = BD + DC = 13.
By properties of the right triangle
AC^2 = BC*CD

AC = sqrt(13*9)
AC = 3sqrt(13)
1
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