Distance
Midpoint
Area
Perimeter
Riddles
100
The formula used to find the length of a line segment in a coordinate plane.
What is
  __________________
√  (X2 - X1)2 + (Y2 - Y1)2 
100
The formula used to find the middle of a segment on a coordinate plane.
What is
X1 + X2   Y1 + Y2
      2       ,       2      
100
The formula for area of a triangle.
What is 1/2bh
100
The perimeter of the polygon defined by the points A(12, 20), B(20, 20), C(20, 8), and D(12, 8)
What is 40 units?
100
This goes up and down, but still remains in the same place.
What are stairs?
200
The length of a segment that passes through the points (5, 2) and (2, 6). Round to the nearest hundredth if necessary.
What is 5 units?
200
The midpoint of the segment whose endpoints (5, 9) and (3, 1).
What is (4, 5)?
200
The formula for area of a parallelogram.
What is bh?
200
The perimeter of the rectangle defined by the points A (5,8), B (5, -1), C (12, -1), and D (12, 8).
What is 32 units?
200
Larry's father has five sons, viz. Ten, Twenty, Thirty, Forty... This is the name of the fifth.
What is Larry?
300
The length of a segment whose endpoints are (-3, 2) and (6, 8). Round to the nearest hundredth if necessary.
What is 10.81 units?
300
The midpoint of a segment whose endpoints are (-3, 5) and (-2, 7).
What is (-2.5, 6)?
300
the area of the polygon defined by the points A(12, 20), B(20, 20), C(20, 8), and D(12, 8)
What is 96 units2?
300
The perimeter of the polygon with coordinates H(-6, 1), I(4, 1), J(4, -8), K(-6, -8).
What is 38 units?
300
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it.
What is a coffin?
400
The length of a segment whose endpoints are (-6, 7) and (-10, -4). Round to the nearest hundredth if necessary.
What is 11.70 units?
400
The endpoint of a segment whose midpoint is (5, 4) and one endpoint is (1, 3).
What is (9, 5)?
400
Square PQRS has vertices P (-3, 0), Q (0, 4), R (4, 1), and S (1, -3). Determine the area of the square.
What is 5 units2?
400
Point A (1, 1) and point B (3, 5) are two vertices of an equilateral triangle. This is the perimeter of the triangle. Round your answer.
What is 13.42 units?
400
If it's information you seek, come and see me. If it's pairs of letters you need, I have consecutively three.
What is a bookkeeper?
500
The length of a segment whose endpoints are (2, 2) and (-2, 10) in simplified radical form.
What is 4√5
500
The endpoint of a segment whose midpoint is (-2, -3) and one endpoint is (-7, 3).
What is (3, -9)?
500
Triangle ABC has vertices at A(-2,1), B(-2,-3), and C(1,-2). This is the area of the triangle.
What is 6 units2?
500
The perimeter of a regular pentagon with 2 consecutive vertices at (-1,2) and (3,-1).
What is 25 units?
500
This flies when it's born, lies when it's alive, and runs when it's dead.
What is a snowflake?
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