CBSE · Class 7 · Mathematics · The Triangle and its PropertiesIf in a right-angled triangle, the legs are 3 cm and 4 cm, what is the length of the hypotenuse?
Step-by-Step Solution
According to Pythagoras theorem: Hypotenuse^2 = Base^2 + Perpendicular^2. Hypotenuse^2 = 3^2 + 4^2 = 9 + 16 = 25. Therefore, Hypotenuse = √25 = 5 cm.
Detailed Options Breakdown
Option : 5 cm (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: 7 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Triangle and its Properties.
Option 2: 12 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Triangle and its Properties.
Option 3: 25 cm
Incorrect choice. This distractor represents a common misunderstanding of the core principles of The Triangle and its Properties.
💡 Study Guide: This question tests core syllabus concepts from The Triangle and its Properties. For formulas, key summaries, and mock exam reference guides, read the full The Triangle and its Properties Revision Notes.