Geometry Vocabulary

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Across
  1. 4. - A way of classifying triangles by its angles. All angles are less than 90 degrees.
  2. 6. - The trig function that uses the measure of the adjacent side and the hypotenuse of a right triangle. The length of the side adjacent to the angle divided by the length of the hypotenuse.
  3. 7. - Mirroring a shape across a line. This line can be an axis or one you set.
  4. 10. - A way of classifying triangles by its angles. One angle is more than 90 degrees.
  5. 14. - The relation among the three sides of a right triangle. The measures of the two legs squared equals the measure of the hypotenuse squared.
  6. 15. - the values of all the trigonometric functions based on the value of the sides in a right-angled triangle
  7. 16. - A way of classifying triangles by its angles. All angles are equal to each other.
  8. 17. - A way of classifying triangles by its sides. All sides are equal to each other.
  9. 19. - The trig function that uses the measure of the opposite side and the adjacent side of a right triangle. The length of the side opposite the angle divided by the length of the side adjacent to the angle.
  10. 20. - A line extending left and right. The x-axis is an example of this.
  11. 21. - A way of classifying triangles by its sides. Two sides are equal to each other.
Down
  1. 1. - A line that intersects a system of lines. Eight angles with special relationships are formed.
  2. 2. - Two objects that have the same size and shape.This is shown with the symbol ≅.
  3. 3. - Two lines on the same plane that will never intersect each other, no matter how far extended. Will be shown with the symbol ||.
  4. 5. - The side of a right triangle that is directly opposite of the right angle. This is the longest side of a right triangle.
  5. 8. - moving a shape without rotating it or flipping it. The points of the shape will move coordinates on a coordinate plane, but that will be the only change to the shape.
  6. 9. - A circular movement around a fixed point. This will not change the size of the shape, just the orientation.
  7. 11. - The trig function that uses the measure of the opposite side and the hypotenuse of a right triangle. The length of the side opposite the angle divided by the length of the hypotenuse.
  8. 12. - Two lines that intersect each other at a 90 degree angle.They will be shown with the symbol ⊥
  9. 13. - A way of classifying triangles by its sides. No sides are equal to each other.
  10. 18. - A line extending up and down. The y-axis is an example of this.