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प्रश्न
Find: AD
योग
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उत्तर
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
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 22: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - TEST YOURSELF [पृष्ठ ३४३]
