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प्रश्न
Find angle 'A' if :
बेरीज
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उत्तर
From the figure we have
cos A = `(10)/(20)`
cos A = `(1)/(2)`
cos A = cos 60°
A = 60°
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Solution of Right Triangles
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 22: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] - Exercise 22 [पृष्ठ ३४१]
