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ICSE Class 9 Answered

BD is the diameter of circle
AB and BC are 2 equal chords.will BD bisect the angle ABC
Asked by lovemaan5500 | 26 Dec, 2017, 12:22: PM
answered-by-expert Expert Answer
begin mathsize 16px style Given colon BD space is space diameter space with space centre space is space straight O space of space the space circle. space space space space space space space space space space space space space space AB space and space BC space are space equal space chords. space To space prove colon space BD space is space bisector space of space angle ABC. Construction colon space Join space OA space and space OC. Proof colon space In space increment ABO space and space increment CBO comma space space space space space space space space space space space space space space AB equals BC space space space space space space space space space space space space space space space space space space space space space space Given space space space space space space space space space space space space space space OA equals OC space space space space space space space space space space space space space space space space space space space space space radii space of space the space same space circle space space space space space space space space space space space space space space BO equals BO space space space space space space space space space space space space space space space space space space space space Common space side space space space space space space space space space space space space space space increment ABO approximately equal to increment CBO space space space space space space space SSS space space space space space space space space space space space space space space angle ABO equals angle CBO space space space space space space straight c. straight p. straight c. straight t space space space space space space space space space space space space space space Hence comma space BD space is space bisector space of space angle ABC end style
Answered by Sneha shidid | 26 Dec, 2017, 01:07: PM

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ICSE 9 - Maths
Two parallel chords are drawn in a circle of diameter 300 cm. The length of one chord is 24.0 cm and the distance between the two chords is 21.0 cm; find the length of the other chord.
Asked by siddeshmankar90.9spicertl | 06 Feb, 2021, 02:16: PM
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ICSE 9 - Maths
In a circle of radius 17 cm, two parallel chords of lengths 30 cm and 16 cm ar drawn. Find the distance between the chords if both the chords are  (i) on the opposite sides of the centre (ii) on the same side of the centre .,:,entre.
Asked by siddeshmankar90.9spicertl | 06 Feb, 2021, 01:57: PM
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ICSE 9 - Maths
in a circle of radius 17cm ,two parallel chords of lenghts 30cm and 16 cm are drawn. Find the distance between the chords, iif both the chords are on the opposite sides of a circentre and onthe same side of the circle
Asked by sharmasukhjinder7 | 10 Jan, 2020, 11:55: AM
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ICSE 9 - Maths
Class 9 project on circle cm graph  
Asked by Sumitavbeyond | 29 Jan, 2018, 06:17: PM
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ICSE 9 - Maths
In the given figure, angle DBC = 58 and BD ia a diameter of the circle. find (i) angle BDC (ii) angle BEC (iii) angle BAC
Asked by pereiracalida | 17 Jan, 2018, 11:00: PM
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ICSE 9 - Maths
In the figure, AB is parallel to DC, angle BCE = 80 and angle BAC = 25. Find (i) angle CAD (ii) angle CBD (iii) angle ADC
Asked by pereiracalida | 17 Jan, 2018, 10:47: PM
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ICSE 9 - Maths
In the given figure,O is the centre of the circle, angle AOB = 30 and angle OCB= 40 calculate angle AOC
Asked by pereiracalida | 17 Jan, 2018, 10:33: PM
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ICSE 9 - Maths
in the given figure ABCDE id a pentagon inscribed in a circle. If AB=BC=CD, angle BCD= 110 and angle BAE= 120 find (i) angle ABC (ii) angle CDE (iii) angle AED (iv) angle EAD
Asked by pereiracalida | 14 Jan, 2018, 07:36: PM
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ICSE 9 - Maths
In the given figure two chords AB and CD of a circle intersect at a point P. If AB = CD, prove that arc AD = arc CB
Asked by pereiracalida | 14 Jan, 2018, 07:29: PM
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ICSE 9 - Maths
In the given figure, two chords AC and BD of a circle intersect at E. if arc AB = arc CB, prove that BE = EC and AE = ED
Asked by pereiracalida | 14 Jan, 2018, 07:26: PM
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