Vocabulary
What do supplementary angles add to?
180 degrees
What is the formula to find the area of a rectangle
A= length times width
A triangle that has 1 interior angle of 90 degrees
Right Angle
1 + 1
2
2x+4=6
x=1
What do complementary angles add to?
90 degrees
What is the formula for the volume of a cube
V= length times width times height
Sphere
A 3 dimensional, geometrical shape that has all its surface points equidistant from a common point
12 - 6
6
12- 3x= 4
x= 3
What is an Angle Bisector?
A line that divides an angle into two equal halves
What is the formula to find the area of a Triangle
A= (lxw)/2
Square
A 2- dimensional closed shape with 4 equal sides and 4 vertices; its opposite sides are parallel from each other
24x2
48
2x + 3 + x = 6
x= 1
What is the definition of a Transversal?
A line that passes through two lines in the same plane at two distinct points
What is the formula for all the added angles of a triangle?
a + b + c =180
Isosceles Triangle
A triangle that has any 2 sides equal in length and angles opposite to equal sides are equal in measure
60/ 5
12
(3x - 1) / 2 = 4
x= 3
What are Alternate Angles?
angles that occur on opposite sides of the transversal line, have the same shape and the same size
What is the formula shown in the Segment Addition Postulate
AB + BC = AC
Pentagon
A geometrical shape, or polygon, which has 5 sides and 5 angles.
2 + 38/4
11.5
4 (2x + 3) = 32
x = 2.5