Calculus Fall 2010 Lesson 01



Lesson Plan #003

Class: Geometry Date: Wednesday/Thursday September 23rd /24th, 2020

Topic: Definitions involving angles

Aim: What are some definitions involving angles?

Objectives:

1) Students will be able to state various angle properties.

NOTE: Have your geometric compass, straight-edge, protractor, & calculator ready for class use every day!

HW# 003:

The HW is page 7 of this lesson plan.

Do Now:

PROCEDURE:

Write the Aim and Do Now

Get students working!

Take attendance

Go over the Do Now

Is this person hitting the ball at the correct angle to go into the corner pocket of the pool table? Hmm…, let’s first discuss angles and their properties.

Definition: An angle is the set of points that is the union of two rays having the same endpoint.

The two rays are called the sides of the angles, and their common endpoint is called the vertex of the angle. The sides of the angle shown are [pic]and [pic]. The vertex is point B.

How can we name the angle indicated above?

Name all the angles shown at right.

How do we determine how big is an angle?

What is a unit of measurement of an angle?

What can be used to measure an angle? Find the measure of ................
................

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