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A circle with its centre at O has two chords AB and BC such that points A, B and C lie on the circumference of the circle. Are the chords AB and BC equal?
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
25 Jun 2018, 11:45
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amanvermagmat
A circle with its centre at O has two chords AB and BC such that points A, B and C lie on the circumference of the circle. Are the chords AB and BC equal?
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
Statement 1 is insufficient.
Statement 2 Insufficient.
combining statement 1 and 2 is sufficient coz statement 1 tells us that the Line AC will be diameter and statement 2 tells us that angle a is 50 degree which bring us to the conclusion that the line ab and cb is not equal
KUDOS IF THIS WAS HELPFUL
29 Jun 2018, 07:51
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ReadyPlayerOne
amanvermagmat
A circle with its centre at O has two chords AB and BC such that points A, B and C lie on the circumference of the circle. Are the chords AB and BC equal?
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
(1) Angle ABC is 90 degrees.
(2) Angle OAB is 50 degrees.
Statement 1 is insufficient.
Statement 2 Insufficient.
combining statement 1 and 2 is sufficient coz statement 1 tells us that the Line AC will be diameter and statement 2 tells us that angle a is 50 degree which bring us to the conclusion that the line ab and cb is not equal
KUDOS IF THIS WAS HELPFUL
If we have a right angle on the line of the circle we know that AC is the diameter?
