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Pythagoras Theorem — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsPythagoras Theorem2 Marks
Question
The sides of some triangles are given below. Find out which ones are right-angled triangles ? : 11,60,61
✓

Answer

11² = 121, 60² = 3600, 61² = 3721
Now, 121 +3600 = 3721
∴ 11² + 60² = 61²
∴ The above expression is of the from
(hypotenuse)² = (base)² + (height)²
∴ The sides of lengths 11, 60, 61 will form a right-angled triangle.

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