The Handy Math Answer Book
How are some common solidsdefined? There are numerous objects defined in solid geometry. The following lists the most common (an ...
Prism—A prism is a polyhedron with two parallel, congruent faces that make up the bases of the shape; the other, later- al faces ...
MEASUREMENTS AND TRANSFORMATIONS What is the perimeterof a two-dimensional geometric figure? The perimeter of a two-dimensional ...
results in numerical terms. For example, the area of a hexagon using the smallest interior dimension would be 0.866 times the sq ...
What other way did Archimedesuse to find the area of a circle? The Greek mathematician Archimedes (c. 287–212 BCE; Hellenic) als ...
the volume of a box (also called a rectan- gular parallelepiped) is length times width times height, or lwh;the volume of a cu ...
centric circles. Reflectionis similar to what we called a “flip” in elementary school mathematics—like the flip side of an objec ...
graph and can be a combination of two numbers for a two-dimensional figure or three numbers for three dimensions. How are two-di ...
194 Two- dimensional coordinate system Three- dimensional coordinate system The four quadrants of a two-dimensional coordinate s ...
What is the most well-known coordinate system? T he most well-known coordinate system is the Cartesian coordinatesystem. Cartesi ...
How is the slope measureand y-interceptof a line determined? On a graph, the slope is the line in a plane completely specified b ...
197 GEOMETRY AND TRIGONOMETRY Some common types of graphs illustrate the linear function, quadratic function, exponential functi ...
What is a one-to-one function? A one-to-one function is one in which each input (number that replaces the variable) has exactly ...
gin” and a polar angle ( ). This method also uses trigonometric functions such as sin and cos (sine and cosine; for more about s ...
TRIGONOMETRY What is trigonometry? Trigonometry is the study of how the sides and angles of a triangle are related to each other ...
Convert the angle 236.345° to DMS notation (by breaking down the decimals into minutes and seconds): 236°0.345°60' /1° 236°20 ...
What are the same functions using a circle? The following shows the same way of looking at the above triangle using a circle (al ...
Thus, by figuring out the cos (adja- cent/hypotenuse) and sin (opposite/ hypotenuse) for the angle 60°, Q is at point (1/2, ...
What is a periodic function? Periodic functions are those that repeat the same values at regular intervals. For trigono- metric ...
because many trig functions use the angle as the argument, while hyperbolic func- tions generally do not). But these equations a ...
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