###### Sunnyvale

###### June 11, 2021, 11:00:00 PM

###### Friday

###### Level 5

## Mr. Jake

### Target 1

###### Lesson Type:

New

Geometry

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Shape

Find the sum of the interior angles of convex polygons.

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Identify the interior angles of convex polygons.

###### 2:

Explain that polygons have the same number of interior angles as sides.

###### 3:

Discover the Triangle Sum Theorem, which states that the sum of the measures of the interior angles in any triangle will always be 180°.

###### 4:

Use the Triangle Sum Theorem to make conclusions about the interior angles of other polygons.

###### 5:

Use understandings of the sum of interior angles of polygons to solve for an unknown angle measurement or a variable.

###### Grade:

8th

###### Vocabulary:

Interior Angle, Sum, Polygon

Activities:

Determined the sum of the interior angles of different polygons

Derived the equation to find the sum of the interior angles of a polygon using the number of angles/sides

Solved determined the missing angle in a polygon

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### Target 2

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