Circle Terminology (Junior Cert Mathematics): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
Radius
Radius
A line from centre to edge of circle
Diameter
Diameter
A line from edge through centre to other edge
Chord
Chord
A line connecting two points on circle's edge
Arc
Arc
A curved part of circle's edge
Sector
Sector
A slice made by two radii and arc between them
Segment
Segment
A part made by a chord and arc above it
Tangent
Tangent
A line that touches circle at just one point
Relationship between diameter and radius
Relationship between diameter and radius
Diameter is twice as long as radius
Number of points tangent touches circle
Number of points tangent touches circle
One point
Length of all radii in same circle
Length of all radii in same circle
All same length