Objective: Measure angles using protractor.

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Presentation transcript:

Objective: Measure angles using protractor. Find the perimeter of the parallelogram.

Find the midpoint of the segment.

Name the line in three different ways. Definition: Collinear Points are points that lie on the same line.

a

1

1

1

h

Measure angle Place center of protractor at the vertex of the angle. Align the line at 0 degree with one side of the angle. Read the scale. If the angle is acute use the number less than 90. If the angle is obtuse use the number greater than 90.

1

Assignment Pg 25-26 #4-9; 10, 11, 15, 16

Warm up 3. Find the measure of .

4. Find the measure of angle .