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12. In right triangle ABC, CD is the altitude to hypotenuse AB. If CD = 12 cm and DB exceeds AD by 7 cm, find AC.

12. In right triangle ABC, CD is the altitude to hypotenuse AB. If CD = 12 cm and DB exceeds AD by 7 cm, find AC.

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter5: Exponential And Logarithmic Functions
Section5.CR: Chapter Review
Problem 16E: Find the intensity of light at a depth of 12 meter if I0=14 and k=0.7. Round to two decimals.
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12. In right triangle ABC, CD is the altitude to hypotenuse AB. If CD = 12 cm and DB exceeds AD by 7 cm, find %3D AC.
Transcribed Image Text:12. In right triangle ABC, CD is the altitude to hypotenuse AB. If CD = 12 cm and DB exceeds AD by 7 cm, find %3D AC.
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