what triangle has 2 equal sides?
Isosceles triangle
what are angles <3 and<6?
alternate interior angles
what is the formula for calculating interior angles in polygons?
180(n-2)
what is slope intercept form?
y=mx+b
what triangle has no equal sides?
Scalene triangle
what are angles <1 and <5?
corresponding angles
What is the sum of the measure of a quadrilateral?
360°
True or false: parallel lines always have the same slope
true
if triangle A's measurments are <1= 60°, and <2= 40°, and ,<3= 80°, what is the triangle classified as?
Acute (Scalene) Triangle
are same side interior angles congruent or supplementary?
supplementary
what is a concave angle/shape?
A shape where two connected sides cave in,inverting the shape.
What is the measure of the angle formed by two perpendicular lines?
90 degrees
In a triangle, if m<1=60° and m<2=70° what is the measure of <3?
50°
are corresponding angles congruent or supplementary?
congruent
What is the measure of one of the angles in a regular hexagon?
120 degrees
The slopes of two lines that are perpendicular are this
Opposite (negative) reciprocals
The lengths of my sides 5,6 and 12.
No Triangle Exists - By the Triangle Inequality Theorem
What is m<2 if <1=93° in a same side interior angle relationship?
87°
which of the following is not classified as a polygon?
a. square
b. circle
c. equilateral triangle
B. circle
What is the perpendicular equation to line y=3x-5?
y=1/-3x