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Locus

ICSE · Class 10 · Mathematics

Step-by-step guide to study Locus in ICSE Class 10 Mathematics. Topics to cover, practice strategy, and time allocation.

37 questions24 flashcards5 concepts

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An illustration defining locus as the path of a moving point under a given condition, with a specific example of a point at a fixed distance from a fixed point forming a circle.
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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 37 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Locus after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Locus means path traced by a moving point.
  • Every point on the locus satisfies the condition.
  • Every point satisfying the condition lies on the locus.

  • The locus equidistant from two fixed points is the perpendicular bisector of the segment joining them.
  • SSS congruence is used in the first part of the proof.
  • The angles at M become 90 degrees, so PM is perpendicular to AB.

  • The locus equidistant from two intersecting lines is a pair of angle bisectors, not a single line.
  • Point O is the only point on both lines that is equidistant from both lines.
  • RHS congruence is used in the converse proof.

Common Mistakes to Avoid

The locus of points equidistant from two fixed points is the angle bisector of the segment joining them.

The locus of points equidistant from two intersecting lines is a single angle bisector line.

The locus of a point at a given distance from a straight line is a single line parallel to it.

Memory Tips

Definition of locus

Key property of locus

Nature of locus

Plural of locus

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Frequently Asked Questions

What are the important topics in Locus for ICSE Class 10 Mathematics?
Locus covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Locus — ICSE Class 10 Mathematics?
Understand the core concepts first, then work through the 37 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Locus

All 22 chapters — ICSE Class 10 Mathematics Study Plan

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