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Name: _________________________________________ TP:
_______
CRS
Objective
CW#21: Find Interior/Exterior Angles Station 3
Geometry
PPF402: Exhibit knowledge of basic angle properties and special sums of angle measure.
PPF501: Use several angle properties to find an unknown angle measure.
3.7: Find the measure of the missing interior angle of a triangle.
3.8: Use exterior angle of a triangle to find missing interior angle.
3.9: Find the measure of the missing interior angle of a quadrilateral.
3.10: Find the measure of the missing interior angle of a circle.
Watch the Kahn Academy video: Sum of Interior Angles of a Polygon (until 3:46)
http://tinyurl.com/mlott9z
Directions: Pay close attention to the video so that you can answer the questions below!
1) How many non-overlapping triangles can be draw
2) If the sum of the interior angles of a triangle are
into the hexagon (6-sided figure)?
_____ degrees and there are ____ non-overlapping
triangles in a hexagon, then how could we find the
sum of the interior angles of the hexagon?
3) How many non-overlapping triangles can be draw
into the heptagon (7-sided figure)?
4) If the sum of the interior angles of a triangle are
_____ degrees and there are ____ non-overlapping
triangles in a heptagon, then how could we find the
sum of the interior angles of the heptagon?
5) How many non-overlapping triangles can be draw
into the octagon (8-sided figure)?
6) If the sum of the interior angles of a triangle are
_____ degrees and there are ____ non-overlapping
triangles in a octagon, then how could we find the
sum of the interior angles of the octagon?
STAY READY
1: Find the measure of the angle indicated.
2) Find the measure of the angle indicated.
3: Solve for x:
4) Solve for x:
5: Solve for x:
6) Solve for x:
7: Find the measure of angle A:
8) Find the measure of angle A:
9)
10)
STAY READY
11: Find x.
12) Find x.
13) Find x.
14) Find the measure of the given angle:
15) Find the measure of the given angle:
16) Find the measure of the given angle:
STAY READY
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