MP Board · Class 8 · Mathematics · MensurationThe area of a rhombus is $240\text{ cm}^2$ and one of its diagonals is $16\text{ cm}$. Find the other diagonal.
Step-by-Step Solution
Area $= \frac{1}{2} \times d_1 \times d_2 \implies 240 = \frac{1}{2} \times 16 \times d_2 \implies 240 = 8 d_2 \implies d_2 = 30\text{ cm}$.
Detailed Options Breakdown
Option : $30\text{ cm}$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: $15\text{ cm}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 2: $20\text{ cm}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 3: $24\text{ cm}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
💡 Study Guide: This question tests core syllabus concepts from Mensuration. For formulas, key summaries, and mock exam reference guides, read the full Mensuration Revision Notes.