त्रिकोण abc मध्ये b 90°angle a 30° ac= 14cm Bc And ab काढा
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AB=√3\2×AC
=√3\2×14
7√3
AC=7√3
BC =?, AC=14, AB=7√3
√AC=√AB+√BC
√14=(7√3)+√BC
7=7×3+BC
7=21+BC
7-21=BC
BC=14
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