Arc Length (Day 2)

50 Minute Class, Curriculum, Geometry

Learning Goal: Apply understanding of arc lengths to an inquiry-based task and practice more with calculating arc lengths and converting angles to radians.


3 Act Math

Classwork

 Standards:

  • Common Core
    • HSG.C.B.5 – Derive using similarity the fact that the length of the arc intercepted by an angle is proportional to the radius, and define the radian measure of the angle as the constant of proportionality; derive the formula for the area of a sector.
  • TEKS
    • G.12(B) – apply the proportional relationship between the measure of an arc length of a circle and the circumference of the circle to solve problems
    • G.12(D) – describe radian measure of an angle as the ratio of the length of an arc intercepted by a central angle and the radius of the circle
Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s