1.4 Angles & their measures

1.4 Angles & their measures - 1.4 Angles &...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
1.4 Angles & their Measures p. 26
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Angle symbol: 2 rays that share the same endpoint (or initial point) Y Z Sides – the rays XY & XZ it’s the only <X in the diagram). Angles can also be named by a #. (<5) 5
Background image of page 2
There are 3 different <B’s in this diagram; therefore, none of them should be called <B. A B C D <B ?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Angle Measurement Angle Measurement m<A means the “measure of <A” Measure angles with a protractor. Units of angle measurement are degrees ( o ). Angles with the same measure are congruent angles . If m<A = m<B, then <A <B. 2245
Background image of page 4
Postulate 3 : Protractor Post. The rays of an angle can be matched up with real #s (from 1 to 180) on a protractor so that the measure of the < equals the absolute value of the difference of the 2 #s. 55 o 20 o m<A = 55-20 = 35 o
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Interior or Exterior? B is ___________ C is ___________ D is ___________ in the interior in the exterior
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/12/2011 for the course MTG 3212 taught by Professor Jackson during the Spring '11 term at University of Florida.

Page1 / 11

1.4 Angles &amp;amp; their measures - 1.4 Angles &amp;...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online