1.6 2-Dimensional Figures

Multiple Choice

• <AED & <BEC

• <AEB & <DEC

• <DEA & <DEC

• <BEC & <BEA

Multiple Choice

• <AED & <BEC

• <AEB & <BEA

• <CED & <AEB

• <AEB & <AED

Multiple Choice

• <AEB

• <AED

• <AEC

• <CEB

Multiple Choice

• m<1= 60

  m<2= 120

• m<2= 100

  m<2= 80

• m<1= 100

  m<2= 50

• m<1= 120

  m<2= 60

Multiple Choice

• 30

• 45

• 55

• 60

Multiple Choice

• 40

• 50

• 80

• 140

Concave and Convex

1. concave- When there is a line containing a side of the polygon that also contains a point in the interior of the polygon

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2. ​convex- Where there is no line that contains both a side of the

polygon and a point in the interior of the polygon

​Types of Polygons

• ​n-gon- A polygon with n sides

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• equilateral polygon- ​A polygon with all congruent sides

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• ​equiangular polygon- A polygon with all congruent angles

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• ​regular polygon- A convex polygon in which all sides are congruent and all angles are congruent

​Perimeter, Circumference, Area

• ​Perimeter- The sum of the lengths of the sides of a polygon

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• ​

• ​Circumference- The distance around a circle

• ​

• ​

• ​Area- The number of square units needed to cover a surface

Multiple Choice

Multiple Choice

Multiple Choice

Each of the following shapes has a perimeter of about 88 inches. Which one has the greatest area?

Multiple Choice