CBSE · Class 8 · Mathematics · MensurationFind the area of a rhombus whose diagonals are of lengths $10\text{ cm}$ and $8.2\text{ cm}$.
Step-by-Step Solution
Area of a rhombus $= \frac{1}{2} \times d_1 \times d_2 = \frac{1}{2} \times 10 \times 8.2 = 41\text{ cm}^2$.
Detailed Options Breakdown
Option : $82\text{ cm}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 1: $41\text{ cm}^2$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $40\text{ cm}^2$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Mensuration.
Option 3: $80\text{ cm}^2$
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.