Circles
Angles
Points, lines, Rays
Vocabulary
Algebra
100
D=r * r or D=r+r
What is the formula for diameter?
100
90 degrees
What is the degree for a right angle?
100
A line extends both ways with two arrows and any two points.
What is line?
100
is formed by two rays which have a common vertex.
What is an angle?
100
adding, plus, sum, positive
What is this sign + ?
200
Circumference
What is the measurement of the whole circle called?
200
right angle
What kind of triangle has these degrees: 45, 45, 90?
200
.------.----> AB
How do you draw ray AB?
200
divide
What is quotient?
200
negative, subtraction, difference, less than, take away
What is another word for minus - ?
300
C= 75
What is the circumference of a circle with a radius of 12.5?
300
obtuse
Which one has a a bigger angle: Acute or obtuse?
300
A point has no dimension but defines location in space.
What is a point?
300
the measurement around the circle.
What is circumference?
300
8 times w
How do you say (8)(w)
400
C= pi * D
What is the formula for circumference?
400
180 degrees
What should the sum of all the angles in isosceles, scalene, and equilateral add up to?
400
line segment
.------------. What is this called?
400
two numbers plus and operation
What is numerical expression? give example.
400
divided by, quotient
Give me other words for divide?
500
pi
What is this number (3) represent in a circle?
500
quadrilaterals, square, rectangle, rhombus, trapezoid
What triangles have 360 degrees when you add up all the angles?
500
Vertex
The point where two rays meet, is always in the middle of the angle name, What is it called?
500
a number with an operation and a letter. k - 12
What is algebraic expression? give example.
500
+, -, X, /
What are the four operations?
M
e
n
u