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Question
Find: AD
Sum
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Solution
From the right triangle ABD
cos A = `"AD"/"AB"`
cos 60° = `"AD"/"AB"`
`(1)/(2) = "AD"/(12)`
AD = `(12)/(2)`
= 6 cm
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Solution of Right Triangles
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Chapter 22: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - TEST YOURSELF [Page 343]
