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Formula Sheet

Secants, Tangents And Their Properties — Formula Sheet

NIOS · Class 10 · Maths

4 formulas from Secants, Tangents And Their Properties (NIOS Class 10 Maths) on one page, grouped by topic. Part of the NIOS Class 10 Maths syllabus.

35 questions26 flashcards4 formulas & key relations5 concepts

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A diagram illustrating the three possible ways a line can interact with a circle: not intersecting, intersecting at two points (secant), and touching at one point (tangent).
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4 Entries · 3 Sections

Formulas and Key Relations

2. Tangent and Radius

OP^2 = OT^2 + PT^2

4. Intersecting Chords and Secant-Tangent

PA × PB = PC × PD

PA × PB = PT^2

Intersecting Chords and Secant-Tangent Relations

If PAB is a secant to a circle intersecting the circle at A and B, and PT is a tangent to the circle at T, then PA × PB = PT^2.

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Frequently Asked Questions

What are the important topics in Secants, Tangents And Their Properties for NIOS Class 10 Maths?
Key topics in Secants, Tangents And Their Properties include Basic Ideas: Secant, Tangent, and Point of Contact, Tangent-Radius Property and Tangents from an External Point, Intersecting Chords and Secant-Tangent Relations, Angle Between a Tangent and a Chord. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How many formulas are in Secants, Tangents And Their Properties?
This sheet lists 4 formulas from Secants, Tangents And Their Properties, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Secants, Tangents And Their Properties for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 35 practice questions on Secants, Tangents And Their Properties. 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 NIOS Class 10 Maths Formula Sheet

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