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3.4 Radian Measure of Angles. Lesson Objective: IWBAT convert from radians to degrees and back & recognize the most popular radian measures. Guiding Question: What is the difference between radians and degrees?. Radians measure a distance in terms of . Degrees measure the angles.
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3.4 Radian Measure of Angles Lesson Objective: IWBAT convert from radians to degrees and back & recognize the most popular radian measures.
Guiding Question: What is the difference between radians and degrees? Radians measure a distance in terms of Degrees measure the angles • How do you find the circumference of a circle? • What if the radius was 1 like in the unit circle?
Guiding Question: What is the difference between radians and degrees? • It helps to think about radians as the distance moved on a unit circle. • On the unit circle we have a radius of 1 so we are mostly measuring the distance traveled.
Guiding Question: What is the difference between radians and degrees? • If a satellite is orbiting the earth do we measure its speed in miles per hour or degrees per hour? • Radians allow us to measure the miles per hour of a rotation By comparison • What is the degree measure of a circle? • What is the radian measure of a circle? • Can you compare the 2?
Guiding Question: What is the difference between radians and degrees?
Guiding Question: What is the difference between radians and degrees? • Converting • To find the radian measure of a degree multiply by • To find the degree measure of radian, multiply by
Guiding Question: What is the difference between radians and degrees?
Guiding Question: What is the difference between radians and degrees? Pg. 116 3-43 odd Day 2, Pg. 116 2-42 every 4th, 45, 47, 51-54