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CBSE Class 10 Answered

Find the locus of centres of circles which touch two intersecting lines
Asked by gpnkumar0 | 19 Feb, 2018, 09:32: PM
answered-by-expert Expert Answer
 
begin mathsize 16px style In space triangle OAP space and space triangle OBP comma OA equals OB space space space left parenthesis radii space of space circle right parenthesis PA equals PB space space space space left parenthesis tangents space from space external space point space are space equal right parenthesis OP equals OP space space space left parenthesis common right parenthesis rightwards double arrow triangle AOP approximately equal to triangle OBP space space left parenthesis SSS space congruence right parenthesis rightwards double arrow angle APO equals angle BPO rightwards double arrow OP space is space the space bisector space of space angle APB. rightwards double arrow straight O space lies space on space the space bisector space of space the space angle space between space straight l space and space straight m. end style
Answered by Rashmi Khot | 20 Feb, 2018, 09:49: AM

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CBSE 10 - Maths
PQ is a chord of length 8 cm to a circle of radius 5 cm. The tangents P and Q intersect at a point T. Find the length of the tangent TP.
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
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CBSE 10 - Maths
From a point P, two tangents PA and PB are drawn to a circle C(0, r).  If OP = 2r, then find ∠𝐴𝑃𝐵. What type of triangle is APB?  
Asked by riazu945 | 16 Jan, 2022, 01:00: PM
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CBSE 10 - Maths
Q30
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Asked by sangyaswarupa | 16 Mar, 2021, 10:06: AM
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CBSE 10 - Maths
point A lies in the exterior of a circle with center P and radius 8 cm A tangent from A touches the circle at if AB=15 cm find PA
Asked by sinhkaran79 | 14 Mar, 2021, 12:59: PM
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CBSE 10 - Maths
Question no.4 from the chapter Circles.
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Asked by s.saumya1011 | 05 Nov, 2020, 02:10: PM
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CBSE 10 - Maths
plz solve these
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Asked by brjkishorchauhan03 | 04 Nov, 2020, 12:10: PM
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CBSE 10 - Maths
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Asked by arindeep.singh | 02 Oct, 2020, 01:20: PM
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CBSE 10 - Maths
prove that a diameter AB of a circle bisects all those chords which are the tangent at the point A
Asked by shivappahb308 | 21 Sep, 2020, 02:15: PM
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CBSE 10 - Maths
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Asked by vs4247325 | 04 Sep, 2020, 04:56: AM
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CBSE 10 - Maths
Two circles touches internally at a point P and from a point T ,the common tangent at P , tangent segments TQ and TR are drawn to the two circle Prove that TQ=TR
Asked by VasupradUboveja376 | 22 Jun, 2020, 12:03: AM
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