Pythagoras theorem applies to which triangles?
AEquilateral
BRight-angled
CIsosceles
DAny triangle
Answer & Solution
Correct answer: B. Right-angled
1. Pythagoras theorem links the squares of three sides of a right triangle.
2. Specifically, hypotenuse squared equals the sum of squares of the other two sides.
3. It applies only to right-angled triangles.
_Source: NCERT Class 10 Mathematics, Ch 6 "Triangles", §6.5_
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