Q1
The Pythagoras theorem helps find:
Aan unknown side of a right triangle
Bthe area of any triangle
Cthe perimeter of a square
Dthe volume of a cube
CBSEClass 8 (CBSE)MathematicsCh 9 · Topic 2
Applications of the Pythagoras Theorem
Applying the Pythagoras theorem to solve practical problems.
Core concept
For example, if a ladder is placed 6m from a wall and needs to reach a window 8m high, the ladder length (hypotenuse) is calculated as √(6²+8²) = √(36+64) = √100 = 10m. This theorem is also fundamental in navigation (calculating shortest distances), construction (ensuring corners are perfectly square using the 3-4-5 triangle method), and even in digital screen size calculations, where diagonal screen measurements use this exact same principle.
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CBSE class 8 applications of the pythagoras theorem
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• The Pythagoras theorem helps find unknown distances in right-angled real-world scenarios.
• Ladder problem example: legs 6m and 8m give a ladder length (hypotenuse) of 10m.
• Construction workers use the 3-4-5 triangle method to check if corners are perfectly square (90°).
• Applications include navigation, construction, and even screen size calculations.