AGENDA: DG minutes10 minutes Notes Lesson 2 Unit 5 DG 17 Mon
EQ: How do you convert angle measures in radians to angle measure in degrees?
Converting angle measures:
Ex. Convert each angle measure. Reduce all fractions.
In Class Practice: Worksheet “ Angle Measure”
Calculator Conversions Degrees, Minutes, Seconds
Ex. Convert degrees, minutes, seconds to decimal degrees and vice-versa ˚21˚15’22”
Arc length--- portion of a circle enclosed by 2 radii s = r θ where θ is the radian measure of the central angle.
Ex. Find the arc length given a radius of 8 and a central angle of. *** angle already in radian measure
Ex. A circle has a radius of 4 inches. Find the length of the major arc and the minor arc. Major Arc : Minor Arc :
ASSIGNMENT: textbook p. 292 – 293 #43 – 93 odd