Constructions
Trigonometry
The Number Pi
Transformations
Blast from the Past
100
Fill in the blank:
A ______________ is a line segment that goes from the center of a circle to the circle's edge.
Radius
100
sin =
?/?
opposite over hypotenuse
100
The name of this symbol:
pi
pi
100
The size and shape of an object are________________ after a rigid motion.
preserved (or the same)
100
What is the perimeter of a rectangle with a length of 4 units and a width of 3 units?
4+3+4+3 = 14 units
200
Complete the statement:
All radii on the same circle have...
equal lengths (or the same length)
200
Cos =
?/?
adjacent over hypotenuse
200
What is the value of pi, to the nearest hundredth?
3.14, which is why Pi Day is on 03/14. Pi is an irrational number that goes on forever.
200
Fill in the blank: After a dilation, the image and the original will be ________________
Similar
200
What is the top number in a fraction called?
The numerator
300
Fill in the blank: If two circles share the same radius, the circles are _____________.
Congruent (or The Same Size)
300
tan =
?/?
opposite over adjacent
300
Fill in the blanks: The number pi is a ratio of the _____________ of a circle to the _____________ of that circle.
circumference, diameter
300
Name 3 rigid motions
Translation, Rotation, Reflection
300
What is the inverse operation of squaring a number?
Taking the square root of the number
example:
sqrt(9)
400
In the construction below, circle D is congruent to circle C.
Fill in the blank: Line segment AB is a _____________ _______________ of line segment CD.
Perpendicular Bisector
400
Wild Card Question: Pi is a ratio of ______________ to ________________.
circumference to diameter
400
Fill in the blanks: The number pi is a ratio of _____________ to ______________.
the circumference of a circle, to the diameter of that circle.
400
Wild card question: How many times does the diameter of a circle fit into its circumference? Do not round your answer.
Pi times.
400
Fill in the blank: __________________ numbers can't be written as a fractions. They have decimals that don't terminate or repeat.
Irrational
500
Wild Card Question: Fill in the top and bottom of the following ratio.
pi = ?/?
top = circumference
bottom = diameter
500
In triangle FGH, the measure of angle F is 90 degrees, and the measure of angle G is 20 degrees. What is the measure of angle H?
180-90-20 = 70 degrees
500
How many diameters of a circle will fit into its circumference?
Round your answer to the nearest hundredth.
3.14
(The exact answer is pi, which goes on forever.)
500
Wild Card Question: Pi is a ratio of ______________ to ________________.
circumference to diameter
500
Wild Card Question: Fill in the numerator and denominator of the following ratio.
pi = ?/?
numerator = circumference
denominator = diameter