RadianArcLength
- 1. Aim: How do we use radian measure? MB43 10/31/08 Lomas Do Now: HW Review: 1, 15, 17, 27 Convert 36 o to radians Convert 2π/3 to degrees HW: Read 661-666 Do 667 #32-37,39-41
- 2. Aim: How do we use radian measure? MB43 10/31/08 Lomas r s θ We saw yesterday that the arc length, radius, and radian measure are all related θ has a measure of 1 radian when r = s What would happen to r and s if θ was made bigger? HW: Read 661-666 Do 667 #32-37,39-41
- 3. Aim: How do we use radian measure? MB43 10/31/08 Lomas θ = and s = r θ s r r s θ HW: Read 661-666 Do 667 #32-37,39-41
- 4. Aim: How do we use radian measure? MB43 10/31/08 Lomas In a circle with a radius of 4 centimeters, what is the length of the arc intercepted by a central angle whose measure is 1.5 radians? HW: Read 661-666 Do 667 #32-37,39-41
- 5. Aim: How do we use radian measure? MB43 10/31/08 Lomas s = 12, r = 4, find θ θ = 4, r = 1.25, find s s = 15, θ = 4, find r HW: Read 661-666 Do 667 #32-37,39-41
- 6. Aim: How do we use radian measure? MB43 10/31/08 Lomas s = 10, r = 3, find θ θ = 18.4, r = 3.7, find s s = 13, θ = 4.5, find r HW: Read 661-666 Do 667 #32-37,39-41
- 7. Aim: How do we use radian measure? MB43 10/31/08 Lomas HW: Read 661-666 Do 667 #32-37,39-41