Similar Polygons
If two polygons are similar, the ratio of two corresponding sides
What is scale factor?
A chord that passes through the center of a circle
What is diameter?
A segment drawn from any vertex perpendicular to the line that contains the opposite side
What is altitude?
A squared + B squared = C squared
What is the Pythagorean Theorem?
x1 + x2, y1 - y2
What is the midpoint formula?
Triangles that are not the same size, but the corresponding sides are proportional.
What are similar triangles?
A segment that joins the center of a circle and a point on the circle
What is radius?
Each angular point of a polygon?
What are vertices?
square root of A squared + B squared = C squared
What is the length of the diagonal of a rectangular solid?
What is the distance formula?
If a line intersects a triangle and is parallel to one side, then it divides the other two sides proportionally
What is the triangle proportionality theorem?
A line, in the plane of the circle, that intersects the circle in exactly one point
What is a tangent?
A distance measured along a lateral face
What is slant height?
sin A = opposite/hypotenuse
cos A = adjacent/hypotenuse
tan A = opposite/adjacent
What is SOHCAHTOA?
The vertical change between two points
What is rise?
Base x height
What is the area of a rectangle?
An angle whose vertex lies on the circle and its sides are chords of the circle
What is an inscribed angle?
2(pi)rh
What is the lateral area of a right circular cylinder?
The lateral area + the area of the base
What is total area?
The horizontal change between two points
What is run?
2base + 2height
Any portion of the circumference of a circle
What is an arc?
2(pi)rh + 2(pi)r squared
What is the total area of a right circular cylinder?
1/3 base x height
What is volume?
The ratio of the vertical and horizontal changes between two points on a surface or a line
What is the slope of a line?