1. Click Here Go to Main Screen
Geometric Polygons
Period 4 – Geometry Advanced
Ms. Grodziak
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2. Click on a polygon to learn more about it:
Triangle
Hexagon
Quadrilateral
Pentagon
Heptagon
Octagon
Decagon
Dodecagon
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3. Triangle Has three sides and vertices Sum of interior angles = 180°
Types of Triangles:
Right
Scalene
Isosceles
Equilateral
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4. Quadrilaterals Has four sides and vertices
Sum of interior angles = 360°
Types of Quadrilaterals:
Square
Rectangle
Parallelogram
Trapezoid
Rhombus
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5. Pentagon Has five sides and vertices Sum of interior angles = 540°
“Penta” is the Greek word for “five”
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6. Hexagon Has six sides and vertices Sum of interior angles = 720°
“Hexa” is the Greek word for “six”
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7. Heptagon Has seven sides and vertices Sum of interior angles = 900°
Also known as “septagon”
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8. Octagon Has eight sides and vertices Sum of interior angles = 1080°
“Octa” is the Greek prefix for “eight”
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9. Decagon Has ten sides and vertices Sum of interior angles = 1440°
“Deca” is the Greek word for “ten”
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10. Dodecagon Has twelve sides and vertices Sum of interior angles = 1800°
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11. Select the Best Answer for the Following Question:
Which of the following polygons has the sum of its interior angles equals 720°?
Heptagon
Pentagon
Hexagon
Dodecagon
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12. Try Again!
You are so close! The sum of a heptagon’s interior angles equals 800°. Click on the arrow to return back to the question!
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13. Try Again!
You are so close! The sum of a pentagon’s interior angles equals 540°. Click on the arrow to return back to the question!
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14. Way to Go!
You selected the right answer. The sum of a hexagon’s interior angles equals 720°. Click on the arrow to continue through the lesson!
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15. Try Again!
This answer is incorrect. The sum of a dodecagon’s interior angles equals 1800°.Click on the arrow to return back to the question!
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16. Awesome Job!
You have successfully learned about the geometric polygons! Click on any polygon below to return to the beginning of the lesson for the next student!