NCERT Solutions for Class 9 Maths Chapter 5
Important NCERT Questions
Introduction To Euclid’s Geometry
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 5.1
Page No:86
Questions No: 4
If a point C lies between two points A and B such that AC = BC, then prove that AC = ½ AB. Explain by drawing the figure.
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Given: AC = BC
⇒ AC + AC = AC + BC [∵ Equals are added to equals]
⇒ 2AC = AB [∵ AC +BC coincides with AB]
⇒ AC = 1/2 AB [∵ Things which are halves of the same things are equal to one another]