1. Geometric Terms Amanda & Madison

2. Right Angle! Right Angle- an angel that is 90 degrees.

3. Acute Angle! Acute Angle- an angle that is less than 90 degrees

4. Obtuse Angle! Obtuse Angel- An angel that is more that 90 degrees.

5. Equilateral Triangle! An Equilateral Triangle is a triangle with all equal sides.

6. Scalene Triangel! Scalene Triangel- A triangle thats sides are all different lengths.

7. Isosceles Triangle! Isosceles Triangle- a triangle with two equal sides

8. Acute Triangle! Acute Triangle- a triangle with all acute angles; less than 90 degrees.

9. Right Triangle! Right Triangle- A triangle that has one right angle in it.

10. Obtuse Triangle! Obtuse Triangle- a triangle with one angle that is more than 90 degrees.

11. Intersecting Lines Intersecting Lines- Two lines that cross or meet at one point

12. Parallel Lines! Parallel Lines- Two lines that never meet.

13. Congruent! Congruent- equal with each other

14. Perpendicular Lines! Perpendicular Lines- Point at which two rays meet. ( Middle of an angel. ) Froms right angles.

15. Adjacent! Adjacent- angles that are next to each other

16. Vertical Lines! Vertical lines- a line(s) going up and down

17. Supplementary Angles! Supplementary Angles- Two angles for which the sum of their measures is 180 degrees.

18. Complementary Angels! Complementary Angels- Two angles fo9r which the sum of their measures is 90 degrees.

19. Quadrilaterals! Quadrilateral- 4 sided polygon that has 360 degrees inside. Trapezoid- Exactly one pair of parallel sides. Parallelogram- Opposite sides that are paralllel and congruent. Rhombus- All four sides are congruent ( The same. ) and it has no right angles. Rectangle- Has four right angles and the opposite sides are congruent with one another. Square- All four sides are congruent and it has four right ( 90 degrees. ) angles.

20. Examples! Trapezoid Rhombus Square Parallelogram Rectangle Parallelogram

21. Radius! Radius- Distance from the middle of circle to endpoint.

22. Diameter! Diameter- line from endpoints of the circle that passes through the middle.

23. Perimeter! Perimeter- The total distance around an enclosed figure. ( Does not involve circle. )

24. Circumfrence! Circumfrence- Distance around a circle.

25. Area Of A Triangle! To figure out the area of a triangle you multiply the base and the height of the triangle divided by two. Base x Height / 2 ( B x H / 2 )

26. Area of a Rhombus! To figure the area of a rhombus you multiply the base and height of the rhombus. Base x Height ( B x H )

27. Area of a Square! To figure out the area of a square you multiply the sides together. Side x Side ( S x S )

28. Area of a Rectangle! To figure out the area of a rectangle you multiply the length and width together. Length x Width ( L x W )

29. Area of a Parallelogram! To figure the area of parallelogram you multiply the base and height. Base x Height ( B x H )

30. Area Of A Circle! To figure out the area of a circle you multiply 3.14 by the radius squared. 3.14 x r squared ( 3.14 x r S )