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Question
ΔABC मध्ये, ∠B = 90°, ∠C = 30°, AC = 12 सेमी, तर AB काढा.
Sum
Solution
ΔABC मध्ये, ∠B = 90°, ∠C = 30° ...(दिलेले)
∴ ∠A = 60° ...(त्रिकोणाचा उर्वरित कोन)
AB = `1/2` AC ...(30°-60°-90° प्रमेय)
= `1/2 xx 12`
= 6 सेमी
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