BASIC DEFINITIONS AND SYMBOLS
FAMOIS NAMES IN GEOMETRY
Triangles & Polygons
Law of sin and cos
Parallel and perpendicular lines
100
an angle is formed when these two things meet
What is a ray
100
The inventor of geometry
Who is Euclid
100
A triangle is
What is a three sided figure that measures to 180 degrees.
100
What is this formula use for sin⁡α±sin⁡β=2 sin⁡〖1/2 (α±β)〗 cos⁡〖1/2 (α∓β)〗
What is law of sin
100
What is perpendicular.
Lines that intersect at right angles to each other are what
200
The point where two rays meet to form an angle is called the
What is a vertex
200
The inventor E=m*C2
Albert Einstein
200
What is a five sided figure. It is also a government building.
What is a pentagon
200
What is this formula use for cos⁡α+cos⁡β=2 cos⁡〖1/2 (α+β)〗 cos⁡〖1/2 (α-β)〗
What is law of cos
200
Define intersecting lines
What are lines that cross over one another
300
Angles that measure greater than 90 degrees are what
What is an obtuse angle
300
The man coined as the father of computer science
Who is Alan Turing
300
A six sided figure.
What is a hexagon
300
What is missing from the formula a^2=___ + c^2 - 2bc cos A
b^2
300
What is line segment
What is a section of a line that contains two endpoints is called a
400
Angles that measure less than 90 degrees are what
What is an acute angle
400
The inventor of Pythagorean theory
Who is Pythagoras
400
An eight sided figure. It is also the shape of a traffic sign.
What is an octagon
400
If a = 21.5, b = 13, and C = 39�, find c to the nearest tenth using the Law of Cosines.
What is 14.1
400
What is Ray
What is a line that has one endpoint and then a continuous line
500
Angles are measured using this tool are known as what
What is Protector
500
Who is the creator of string theory
Edward Witten
500
What is a four sided figure.
What is a polygon, square, quadrilateral.
500
If A = 52�, b = 54 and c = 49, find a to the nearest tenth using the Law of Cosines.
What is 45.3
500
True or false a line never ends
True
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