Lines
two lines that are the same distance apart and will never touch
parallel lines
This is the term for a 90 degree angle
right angle
A triangle that has all sides the same length
equilateral
A shape that has 6 sides is called
hexagon
Solve for x: 2x-7=11
x = 9
The type of lines that intersect to form a right angle
perpendicular
An angle that is less than 90 degrees
acute
A triangle with two sides the same length
isosceles
A shape with 5 sides is called
pentagon
solve for X 3x+7=16
x=3
this has one endpoint and continues in one direction forever
ray
an angle that is greater than 90 degrees
obtuse
A triangle with one angle greater than 90 degrees
obtuse triangle
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle
45 degrees
Solve for a 4(a-2)=20
a=7
This is part of a line
line segment
this is the number of degrees in a straight angle
180 degrees
A triangle with a 90 degree angle and no sides the same length
right, scalene
Find the area of a rectangle with length 8 units and width 5 units.
= 40 square units
solve for c 2c +10= 18
c = 4
Given the equation of a line y=2x+3, determine the slope and y-intercept.
In a triangle, one angle measures 40, and another angle measures 75. What is the measure of the third angle?
All angles in every triangle will add up to this number of degrees
180 degrees
Simplify and solve for x: 2(3x+5)ā4=10
x = 2/3
Simplify and solve for c: 4(c+1)ā2(cā3)=10
c = 0