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Chapter 14 of 22
Formula Sheet

Locus — Formula Sheet

ICSE · Class 10 · Mathematics

5 formulas from Locus (ICSE Class 10 Mathematics) on one page, grouped by topic. Part of the ICSE Class 10 Mathematics syllabus.

37 questions24 flashcards5 formulas & key relations5 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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5 Entries · 1 Section

Formulas and Key Relations

Standard Locus Cases

Radius of locus equidistant from two concentric circles: (r1 + r2) / 2

Locus at a given distance from a fixed point = circle centered at the fixed point

Locus of a point equidistant from two parallel straight lines = straight line parallel to the lines and mid-way between them

Locus at a given distance from a given straight line = pair of straight lines parallel to the given line

If A, B are fixed points, then the locus of P such that angle APB = 90 degrees is the circle with AB as diameter

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Frequently Asked Questions

What are the important topics in Locus for ICSE Class 10 Mathematics?
Key topics in Locus include Core Idea of Locus, Theorem 1: Points Equidistant from Two Fixed Points, Theorem 2: Points Equidistant from Two Intersecting Lines, Standard Locus Cases. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How many formulas are in Locus?
This sheet lists 5 formulas from Locus, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Locus for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 37 practice questions on Locus. Revise 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.

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All ICSE Class 10 Mathematics Formula Sheet

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