From melanie Andersen
http://www.berteig.org/melanie/homeschooling/Programs%20of%20Intelligence/Math/geometric%20shapes.htmSet: Regular Polygons
Pictures were made by cutting out shapes using red paper.
Equilateral Triangle
1. An equilateral triangle has three sides.
2. An equilateral triangle has three inside angles.
3. All three sides of an equilateral triangle are of equal length.
4. Each one of the interior angles of an equilateral triangle is 60°.
5. An equilateral triangle is defined as a triangle with three equal angles.
6. The sum of all the interior angles of an equilateral triangle is 180°.
7. An equilateral triangle is a two-dimensional figure.
8. Equilateral triangles are studied in the branch of geometry called plane geometry.
9. In plane geometry an equilateral triangle is classified as a type of triangle.
10. What is the root of the name of the shape?
Square
1. A square has four sides.
2. A square has four inside angles.
3. All four sides of a square are of equal length.
4. Each one of the interior angles of a square is called a "right angle".
5. A square is defined as a parallelogram with four equal angles.
6. The sum of all the interior angles of a square is 360°.
7. A square is a two-dimensional figure.
8. Squares are studied in the branch of geometry called plane geometry.
9. In plane geometry a square is classified as a type of convex quadrilateral.
10. What is the root of the name of the shape?
Pentagon
1. A pentagon has five sides.
2. A pentagon has five inside angles.
3. All five sides of a pentagon are of equal length.
4. Each of the interior angles of a pentagon is 108°.
5. A pentagon is defined as a regular five-sided polygon with five equal angles.
6. The sum of all the interior angles of a pentagon is 540°.
7. A pentagon is a two-dimensional figure.
8. Pentagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a pentagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Hexagon
1. A hexagon has six sides.
2. A hexagon has six inside angles.
3. All six sides of a hexagon are of equal length.
4. Each of the interior angles of a hexagon is 120°.
5. A hexagon is defined as a regular six-sided polygon with six equal angles.
6. The sum of all the interior angles of a hexagon is 720°.
7. A hexagon is a two-dimensional figure.
8. Hexagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a hexagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Heptagon
1. A heptagon has seven sides.
2. A heptagon has seven inside angles.
3. All seven sides of a heptagon are of equal length.
4. Each of the interior angles of a heptagon is 128 4/7°.
5. A heptagon is defined as a regular seven-sided polygon with seven equal angles.
6. The sum of all the interior angles of a heptagon is 900°.
7. A heptagon is a two-dimensional figure.
8. Heptagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a heptagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Octagon
1. An octagon has eight sides.
2. An octagon has eight inside angles.
3. All eight sides of an octagon are of equal length.
4. Each of the interior angles of an octagon is 135°.
5. An octagon is defined as a regular eight-sided polygon with eight equal angles.
6. The sum of all the interior angles of an octagon is 1080°.
7. An octagon is a two-dimensional figure.
8. Octagons are studied in the branch of geometry called plane geometry.
9. In plane geometry an octagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Nonagon
1. A nonagon has nine sides.
2. A nonagon has nine inside angles.
3. All nine sides of a nonagon are of equal length.
4. Each of the interior angles of a nonagon is 140°.
5. A nonagon is defined as a regular nine-sided nonagon with nine equal angles.
6. The sum of all the interior angles of a nonagon is 1260°.
7. A nonagon is a two-dimensional figure.
8. Nonagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a nonagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Decagon
1. A decagon has ten sides.
2. A decagon has ten inside angles.
3. All ten sides of a decagon are of equal length.
4. Each of the interior angles of a decagon is 144°.
5. A decagon is defined as a regular ten-sided decagon with ten equal angles.
6. The sum of all the interior angles of a decagon is 1440°.
7. A decagon is a two-dimensional figure.
8. Decagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a decagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Dodecagon
1. A dodecagon has twelve sides.
2. A dodecagon has twelve inside angles.
3. All twelve sides of a dodecagon are of equal length.
4. Each of the interior angles of a dodecagon is 150°.
5. A dodecagon is defined as a regular twelve-sided dodecagon with twelve equal angles.
6. The sum of all the interior angles of a dodecagon is 1800°.
7. A dodecagon is a two-dimensional figure.
8. Dodecagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a dodecagon is classified as a type of regular polygon.
10. What is the root of the name of the shape?
Pentadecagon
1. A pentadecagon has fifteen sides.
2. A pentadecagon has fifteen inside angles.
3. All fifteen sides of a pentadecagon are of equal length.
4. Each of the interior angles of a pentadecagon is 156°.
5. A pentadecagon is defined as a regular fifteen-sided pentadecagon with fifteen equal angles.
6. The sum of all the interior angles of a pentadecagon is 2340°.
7. A pentadecagon is a two-dimensional figure.
8. Pentadecagons are studied in the branch of geometry called plane geometry.
9. In plane geometry a pentadecagon is classified as a type of regular polygon.
10. Root?
Digg
