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abki bar modi sarkar

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· 1 Months ago

+ SIGN SHOULD BE USED INSTEAD OF - SIGN

Question:
In an equilateral triangle ABC of side 10 cm, the side BC is trisected at D. Then the length (in cm) of AD is –
Options:
A) 3 \(\sqrt{7}\)
B) 7 \(\sqrt{3}\)
C) \(\cfrac{10 \sqrt{7}}{3}\)
D) \(\cfrac{7 \sqrt{10}}{3}\)
Solution:
Ans: (c)


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