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In a right-angled triangle ABC, if angle B = 90°, then which of the following is true? - Mathematics

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Question

In a right-angled triangle ABC, if angle B = 90°, then which of the following is true?

Options

  • AB2 = BC2 + AC2

  • AC2 = AB2 + BC2

  • AB = BC + AC

  • AC = AB + BC

MCQ

Solution

AC2 = AB2 + BC2

Explanation:

According to Pythagoras theorem,

(Hypotenuse)2 = (Perpendicular)2 + (Base)2

⇒ AC2 = AB2 + BC2

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Chapter 6: Triangles - Exercise [Page 164]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 6 Triangles
Exercise | Q 37. | Page 164

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