The area of a rhombus is 96 cm² and the length of one of the diagonals is 16 cm .The length of the other diagonal is -

A 18

B 12

C 9

D 6

Solution

Correct Answer: Option B

আমরা জানি ,
রম্বসের ক্ষেত্রফল =1/2×কর্ণদ্বয়ের গুণফল
                              =1/2×d1×d2
প্রশ্নমতে , 1/2×d1×d2=96
                =1/2×16×d2=96
                          d2=12

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