We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byMichael Barrett
Modified over 2 years ago
Central Angle Arc and arc measure Minor Arc Major Arc Semicircle Adjacent arcs ARCS AND CENTRAL ANGLES
Central Angles Circle B, Angle ABC A C B VERTEX OF THE CENTRAL ANGLE IS THE CENTER OF THE CIRCLE
ARCS AND ARC MEASURE Arc: part of a circle Arcs and central angles are measured in degrees A C B Arc AC and Central Angle ABC have the same measure
MORE ABOUT ARCS Minor Arc: arc AC measures less than 180 Major Arc: arc DEF measures greater than 180 Semicircle: arc PSR measure of exactly 180. Q A B C P R D E F.. S. T
ADJACENT ARCS Adjacent arcs share a common endpoint m arc AD + m arc DP equals m arc AP G A D P
A chord that goes through the center of a circle diameter.
Geometry Honors Section 9.1 Segments and Arcs of Circles.
C=π d C=2πr r=½d d=rx2 A=πr² The diameter is the longest chord. The ratio of the circumference is always …. π is a Greek letter. π can also.
Circles Chapter Tangents to Circles Circle: the set of all points in a plane that are equidistant from a given point. Center: the given point.
Measuring Arcs and Central Angles. Measuring Arcs Arcs can be measured in two ways, by their length, or by degree For now, we will be measuring arcs only.
LEARNING TARGETIN-CLASSHOMEWORK Geometry I can examine relationship between central and inscribe angles by applying theorems about their measure. I can.
Geometry Point Line Line segment Ray Plane Parallel lines Intersecting lines Angles.
Angles Grade 7 The Shape of Design. Point An exact location on a plane is called a point. Line Line segment Ray A straight path on a plane, extending.
Circle Theory. 2x2x x This is the ARC o Centre of Circle The Angle x subtended at the centre of a circle by an arc is twice the size of the angle on the.
GEOMETRYGEOMETRY Circle Terminology. Radius (or Radii for plural) The segment joining the center of a circle to a point on the circle. Example: OA.
Proving Statements in Geometry Inductive Reasoning.
Geometry Points, Lines, and Shapes!. Plane plane A flat surface that stretches into infinity.
Medians and Centroid A median of a triangle is a line segment that is drawn from the _________ to the ___________ of the opposite side. A centroid is the.
2x2x x This is the ARC o Centre of Circle The Angle x subtended at the centre of a circle by an arc is twice the size of the angle on the circumference.
GEOMETRYGEOMETRY Circle Terminology Free powerpoints at
Geometry Terms: Chapter 1. Acute Angle An angle with degree measure between 0 and 90.
Career & Technical Education Drafting – Product Design & Architecture Geometric Construction & Terms.
Do Now Draw each figure. 1. line segment 2. line 3. ray 4. plane Course EQ : How do I identify parallel, perpendicular, and angles formed by a transversal?
Chapter 5: Plane Geometry Regular Math. Section 5.1: Points, Lines, Planes, and Angles A point names a location. A line is perfectly straight and extends.
Draw six segments that pass through every dot in the figure without taking your pencil off the paper. Session 55.
Warm-up Solve: 1) 2x + 1+4x +4x-11= 180 Compare greater than >, less than < or equal = 4+5___ 9 5+5__ 9 Find a number x. 6
1.Circle Notes A circle is the set of all points in a plane at a given distance from a given point Circles (Part 1)
1.Quiz Review a)Is this polygon convex or concave? How do you know? b)Give three names for the polygon. c)What is happening When you assume? d)Draw an.
11.4 Circumference and Arc Length 2/17/2011. Objectives Find the circumference of a circle and the length of a circular arc. Use circumference and arc.
Holt CA Course 1 9-3Circles Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.
4.1 Radian and Degree measure Changing Degrees to Radians Linear speed Angular speed.
9.5 Angles and Triangles p D E F Name the angle in five different ways. Angle DEF, angle FED, DEF, FED, or E.
Triangles & angles. Algebra Section 3-4 Supplementary angles - Two angles are supplementary if the sum of their measure is 180. Complementary angles -
Points Lines Planes Circles Polygons Congruency Similarity.
CONGRUENT ANGLES & BISECTOR OF AN ANGLE. Definition of Congruent Angles Two angles are said to be congruent if and only if they have the same measure.
© 2016 SlidePlayer.com Inc. All rights reserved.