Video of the Day Circles Unit " Angles Inside and Outside"

Circles Part 1 Lesson 8

Angles Inside and Outside
Video Guide
00:43 Central angle and arc measures defined and illustrated
01:12 Inscribed angles and angles with the vertex on the circle defined and illustrated
02:20 Definition and explanation along with an illustration of an angle inside the circle but not central
04:00 Sample problem- Finding the measure of an inside angle given two arc measures.
05:04 Angles outside a circle defined and illustrated
06:10 Formula for finding the measure angle of an angle outside the circle
07:05 Helpful hint for when to add and when to subtract the inside and outside arcs
8:27 Question 1 Find x and m angleBEC
8:50 Question2 .  Find m angleBDC
9:24 Question 3 Find the arc measure, z.
10:50 Question 4 Find the arc measure, z and m angle1.
12:20 Question 5 Given m angle ABC = 65o and m angleDFE = 25o
Find measure of arc AC, x and the measure arc DE, y.

Find the note taking guide here Circles Lesson 8