What is the strongest shape to build a structure with?
triangle
100
what is half of the angle 180 degrees?
90 degrees
100
What is the definition of polygon and rotation?
Polygon-a figure that has three or more sides.
rotation-the action of rotating around an axis or center.
100
What is the definition of convex polygons?
convex polygon-A polygon that has all interior angles less than 180°
100
What is the formula of a triangle?
the two smallest angles must be larger than the largest angle.
200
If you have a rectangle and cut it in half what shapes would it make?
It makes two triangle.
200
how many degrees is it if the clock hand its pointing at the 12 and 3?
90 degree angle
200
What is the definition of quadrants and complementary angles?
quadrants-for sections in which the coordinate plane is divided by the y and x axis.
complementary angles-two angles that make 90 degrees (needs to be side by side)
200
What is the definition of interior angles?
interior angles- angles inside of a polygon
200
What is the formula of making a polygon?
The three smallest sides have to be greater than the largest angle.
300
Do all equilateral triangles have the same side lengths and the same angles?
yes
300
What is the difference between supplementary and complementary angles?
2 angles make up 180 degrees for supplementary angles
2 angles make up 90 degrees for complementary angles.
300
What is the definition of supplementary angles and regular polygones
supplementary angles-two angles that equal 180 degrees (side by side)
regular polygons- a polygon with all equal sides and angle
300
What is the definition of exterior angles?
exterior angles-angles outside of a polygons
300
If i was making a triangle and you have the angles 20 degrees and 70 degrees what would the last angle be?
90 degrees
400
How much infomation do you need to make a triangle?
There are many answers but one of them are.. you need 2 side lengths and 1 angle
400
What is the complementary angle of 30 degrees?
60 degrees
400
What is the definition of irregular polygon and the definition of tiling?
irregular polygon-a polygon with uneven sides and angles.
tiling- a covering of a surface with shapes(no gaps)
400
What is the definition of transversal and vertical angles?
transversal-a line that intersects two or more lines
vertical angles-opposite angles that are congruent
400
what would all the interior angles of a dodecagon equal?
1440 degrees
500
What is a shape with 4 angles and has rotational and reflectional symmetry?
square
500
What is the supplementary angle of 25 degrees?
155 degrees
500
What is the definition of tessellation and concave polygon?
tessellation-A pattern made of identical shapes
concave polygon-A polygon that has one or more interior angles greater than 180 degrees
500
What is the definition of reflection and rotation symmetry?
reflection symmetry-two halfs that are mirror images of each other
rotational symmetry- when you rotate a shape and it still looks the same as it did before you rotated it