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Prove that line from the center …

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Prove that line from the center of the circle to the chord bisects it
  • 2 answers

Meenkashi Singh 3 years, 9 months ago

To prove that the perpendicular from the centre to a chord bisect the chord. Consider a circle with centre at O and AB is a chord such that OXperpendicular to AB To prove that   AX=BX In ΔOAX and ΔOBX ∠OXA=∠OXB  [both are 90 ] OA=OB  (Both  are radius of circle ) OX=OX  (common side ) ΔOAX≅ΔOBX AX=BX  (by property of congruent triangles ) hence proved.

Gaurav Seth 3 years, 9 months ago

  • Prove that the line drawn through the center of a circle to bisect a chord is perpendicular to the chord.

Given :-

  • O is the center of circle
  • AB is chord of circle
  • OX bisects AB   i.e.   AX = BX

 

To Prove :-

  • OX ⊥ AB

 

Explanation :-

 

➠ In ∆AOX and ∆BOX,

 

 

 

 

➠ On line AB,

 

Hence, ∠AXO and ∠BXO form a linear pair

 

 

 

Hence, Proved.

 

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