Shapes
How many sides does a hexagon have?
6 sides
How do you find the sum of angles of a polygon?
(n-2)180
Every angle on a triangle should add up to?
180 degrees
What is the mode: 2, 2, 4, 7, 11
2
What do u call a shape with 8 sides
Octagon
When a coordinate point (x,y) is reflected across x-axis it becomes (x, -y).
True/False
True
The definition of an obtuse angle is..
An angle of greater than 90 degrees
What is the range: 3, 5, 9, 11, 11, 13, 18
18-3=15
Draw a trapezoid
Good job!
How do you find the measure of each angle in a regular polygon?
A triangle can have 2 right angles.
True/False
False
Find the mean: 2, 4, 7, 11
6
Draw a rhombus
Good job!
formula for the area of a trapezoid
What is a triangle with all equal sides called?
Equilateral triangle
Find the median: 2, 5, 7, 9, 11
7
A rectangle is also a parallelogram.
True/False
True
What is the formula for a circle
A = πr2
Can we have an obtuse -isosceles triangle?
Yes
What is the first quartile in:
2, 3, 6, 7, 9, 9, 12
3