(6.1) Polygons

Presentation

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Mathematics

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10th Grade

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Practice Problem

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Medium

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CCSS

2.G.A.1, 6.NS.B.3, 1.G.A.1

Standards-aligned

Samantha Kelsey

Used 1+ times

FREE Resource

5 Slides • 13 Questions

Classify Polygons

Multiple Select

Which of the following shapes are not polygons?

Multiple Choice

Is the figure a polygon? Is it convex or concave?

Not a polygon, convex

Polygon, convex

Not a polygon

Polygon, concave

Multiple Choice

Is the figure a polygon? Is it convex or concave?

Not a polygon, convex

Polygon, convex

Not a polygon

Polygon, concave

Multiple Choice

The name of this polygon is

Heptagon

octagon

Hexagon

Nonagon

Multiple Choice

Name the polygon.

Octagon

Pentagon

Hexagon

Quadrilateral

Multiple Choice

The name of a polygon with 5 sides is:

Pentagon

Nonagon

Fivetagon

Octagon

Multiple Choice

How many sides does a decagon have?

Multiple Choice

What is the name of a 12-sided polygon

Decagon

Dodecagon

Dozengon

Noonagon

Parts of a Polygon

Vertex : Point where two sides intersect.
Side : Line Segment between vertices.
Interior Angle : Angle inside the polygon formed by two sides.
Exterior Angle : Angle outside the polygon formed by two sides.
Diagonal : Segment that connect two non-consecutive vertices.

Multiple Choice

Diagonals have points that are outside the polygon

Convex polygon

Concave polygon

Regular polygon

Dodecagon

Multiple Choice

What is a regular polygon?

A polygon that has 1 set of parallel sides and 1 right angle.

A polygon that has 2 sets of parallel sides and 2 right angles.

A polygon that has 2 right angles and 2 sides congruent.

A polygon in which all sides and all angles are congruent.

Multiple Choice

Name the polygon. Determine if it appears to be regular or not regular.

8 sides, not congruent, not regular octagon

8 sides, congruent, regular octagon

Multiple Choice

Name the polygon. Determine if it appears to be regular or not regular.

quadrilateral; regular

quadrilateral; not regular

hexagon; regular

hexagon; not regular

Polygons

Regular : All sides and angles are Congruent
Irregular : Any polygon that is not Regular.
Concave : A line that contains a side passes outside the polygon.
Convex : No line that contains a side passes through the polygon.

Angles of Quadrilaterals

Words: The sum of the angle measures of a quadrilateral is 360°.

Algebra: w + x + y + z = 360

Fill in the Blanks

Write and solve an equation to find the value of x.

Type your answer as x=

(no spaces)

Ex: x=12

Classify Polygons

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