हिंदी

Describe the locus of the moving end of the minute hand of a clock.

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प्रश्न

Describe the locus of the moving end of the minute hand of a clock. 

आकृति
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उत्तर

 
The locus of the moving end of the minute hand of the clock will be a circle where radius will be the length of the minute hand.

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अध्याय 16: Loci (Locus and Its Constructions) - Exercise 16 (B) [पृष्ठ २४०]

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सेलिना Concise Mathematics [English] Class 10 ICSE
अध्याय 16 Loci (Locus and Its Constructions)
Exercise 16 (B) | Q 4. | पृष्ठ २४०

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

In each of the given figures; PA = PB and QA = QB. 

i.
ii.

Prove, in each case, that PQ (produce, if required) is perpendicular bisector of AB. Hence, state the locus of the points equidistant from two given fixed points.


Use ruler and compasses only for this question.

  1. Construct ΔABC, where AB = 3.5 cm, BC = 6 cm and ∠ABC = 60°.
  2. Construct the locus of points inside the triangle which are equidistant from BA and BC.
  3. Construct the locus of points inside the triangle which are equidistant from B and C.
  4. Mark the point P which is equidistant from AB, BC and also equidistant from B and C. Measure and record the length of PB.

The given figure shows a triangle ABC in which AD bisects angle BAC. EG is perpendicular bisector of side AB which intersects AD at point F.

Prove that: 


F is equidistant from AB and AC.


Draw an ∠ABC = 60°, having AB = 4.6 cm and BC = 5 cm. Find a point P equidistant from AB and BC; and also equidistant from A and B. 


Describe the locus of the centre of a wheel of a bicycle going straight along a level road.


Describe the locus of a stone dropped from the top of a tower. 


Describe the locus of the centres of all circles passing through two fixed points. 


Describe the locus of points at distances greater than 4 cm from a given point. 


Find the locus of the centre of a circle of radius r touching externally a circle of radius R.


In Fig. AB = AC, BD and CE are the bisectors of ∠ABC and ∠ACB respectively such that BD and CE intersect each other at O. AO produced meets BC at F. Prove that AF is the right bisector of BC.


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