Geometry Words

2. a plane figure with eight straight sides and eight angles, also a 2D shape
3. having four straight sides,a trapezium,square,and a rhombus are considered quadrilateral
7. a plane figure with four equal straight sides and four right angles, internal angle is 90 degrees
10. a 3-sided polygon, could often be identified
11. A cone is a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex
12. an angle of 90°,we can see a right angle in the corners of a room
14. a plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square
15. the total space taken up by a flat (2-D) surface or shape of an object, different formulas

1. a four-sided plane rectilinear figure with opposite sides parallel, examples are rectangles, rhombus,and square
2. any angle greater than 90°, angle could me 180 and over
4. a line joining the midpoints of two sides of a triangle
5. less than 90 degrees,could be 12, 13,14 degrees
6. a plane figure with five straight sides and five angles, a polygone with 5 sides and 5 angles
8. a triagle having two sides of equal length,its also a 2D shape
9. the continuous line forming the boundary of a closed geometric figure, formula is length plus width
13. a plane figure with six straight sides and angles,the internal angles is 120 degrees