What 3 key features make a polygon?
Straight lines
2-D shape
No openings
How many sides does a pentagon how?
5
What is a shape with 4 sides called?
Quad
1 pair
How many pair of parallel sides does a parallelogram have?
2 pair
Every square has exactly how many pair of parallel sides?
2 pair
What is the name of a shape with exactly six sides?
Hexagon
What is an isosceles triangle?
A triangle with at least 2 sides the same length.
What is a right triangle?
A triangle with 1 right (or 90 degree) angle.
What is an obtuse triangle?
A triangle with one angle greater than 90 degrees.
A triangle has a measurement of 90, 45, and 45 degrees, what kind of triangle is this?
Right triangle
23 + 32 = 32 + 23 is an example of what type of property?
commutative property
135 x 26=
3,510
10 x 10 x 10 x 10 x 10=
105
What the name of a triangle that has all 3 sides the same length?
Equilateral triangle
A triangle has measurements of 120, 45, and 15 degrees, what type of triangle is this?
Obtuse triangle
106=
1,000,000
What is the name of a triangle that has NO sides the same length?
Scalene Triangle
Can a square also be called a rhombus?
Yes.
Can a square be called a rectangle?
Yes.
Can a rectangle be called a square?
No.
What is the key feature that make a rhombus?
All sides must be the same length.
A triangle has a measurement of 55, 40, and 85 degrees, what type of triangle is this?
Acute triangle
What is the name of a shape with 8 sides?
Octagon
What is the name of a triangle that has 2 sides the same length?
Isosceles triangle