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Question
ΔABC में, DE || भुजा BC। यदि DB = 5.4 सेमी, AD = 1.8 सेमी, EC = 7.2 सेमी, तो AE का मान ज्ञात कीजिए।
Sum
Solution
ΔABC में, DE || BC
∴ `(AD)/(DB) = (AE)/(EC)` .....(समानुपात का मूलभूत प्रमेय)
∴ `1.8/5.4= (AE)/7.2`
∴ AE × 5.4 = 1.8 × 7.2
∴ AE = `(1.8 xx 7.2)/5.4`
∴ AE = `12.96/5.4`
AE = 2.4 सेमी
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