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Circle Vocabulary 🔵📚

Published on Nov 28, 2015

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PRESENTATION OUTLINE

1.

CIRCLE

THE SET OF ALL POINTS IN A PLANE THAT ARE THE SAME DISTANCE FROM A GIVEN A POINT CALLED THE CENTER
Photo by YannGarPhoto
2.

SEMICIRCLE

  • Half of a circle
  • A=1/2 pie*r2
Photo by rodarmor
3.

RADUIS

  • Pie times radius squared.
  • Is half of the diameter
  • Goes through half of the circle
4.

DIAMETER

THE DISTANCE ACROSS A CIRCLE THROUGH ITS CENTER
Photo by chidorian
5.

AREA

  • Is the size of the surface
  • W *H
Photo by Stuck in Customs
6.

CHORD

A straight line connecting two points on a curve
Photo by insetto scoppiettante
7.

TANGENT

A line that just touches a curve at one point, without cutting across it.
Photo by DeeAshley
8.

SECTOR

a mathematical instrument consisting of two flat rulers hinged together at one end and bearing various scales
Photo by mrlins
9.

SEGMENT

each of the parts into which something is or may be divided
Photo by funnypolynomial
10.

ARC

measure is the measure of the central angle
Photo by -Reji
11.

QUADRANT

A sector equal to one quarter of a circle, or half a semicircle,
Photo by Al_HikesAZ
12.

CIRCUMFERENCE

THE DISTANCE AROUND A CIRCLE
Photo by bijoubaby
13.

PI

THE NUMBER Π IS A MATHEMATICAL CONSTANT, THE RATIO OF A CIRCLE'S CIRCUMFERENCE TO ITS DIAMETER, APPROXIMATELY EQUAL TO 3.14159

Breya Robinson