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Question : The area and the length of one of the diagonals of a rhombus are 84 cm2 and 7 cm respectively. Find the length of its other diagonal (in cm).

Option 1: 12

Option 2: 24

Option 3: 48

Option 4: 36


Team Careers360 25th Jan, 2024
Answer (1)
Team Careers360 27th Jan, 2024

Correct Answer: 24


Solution : Given: Area = $84\ cm^2$
1st diagonal = 7 cm
2nd diagonal = $D_2$
We know that
Area of rhombus = $\frac{1}{2}\times$(Product of the diagonals)
⇒ $84 = \frac{1}{2}\times7\times D_2$
⇒ $D_2 = 24\ cm$
Hence, the correct answer is 24.

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