posted Sep 18, 2016, 9:30 PM by Chris Buehnerkemper
If , then what is ? 
posted Sep 16, 2016, 10:38 AM by Chris Buehnerkemper
Point O is the center of the square. A dilation with center D takes O to B. What is the side length of the image of the square under the dilation? 
posted Sep 15, 2016, 9:08 AM by Chris Buehnerkemper
Which geometric concept is MOST useful when explaining the effect of a rotation on a segment? Why?
Answer choices:  angle
 parallel lines
 perpendicular lines
 scale factor

posted Sep 13, 2016, 10:30 PM by Chris Buehnerkemper
Which One Doesn't Belong? Why? 
posted Sep 12, 2016, 10:19 PM by Chris Buehnerkemper
A series of rigid motions superimposed Quadrilateral 1 onto Quadrilateral 2. The sides of Quadrilateral 1 listed clockwise are marked Red, White, Green, and Blue (R, W, G, B). Which is a possible list of the side colors of Quadrilateral 2, in clockwise order?
A) B, W, G, R B) G, B, W, R C) R, G, B, W D) W, R, B, G  Remember to write the whole answer, not just A/B/C/D. You don't have to write the entire question. 
posted Sep 12, 2016, 10:49 AM by Chris Buehnerkemper
A plane cut through the rectangular prism. How many sides does the crosssection have? 
posted Sep 8, 2016, 9:18 AM by Chris Buehnerkemper
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updated Sep 8, 2016, 9:20 AM
]
Which statements should be used to prove that the measures of angles 1 and 5 sum to 180°?
Answer choices:  Angles 1 and 8 are congruent as corresponding angles; angles 5 and 8 form a linear pair.
 Angles 1 and 2 form a linear pair; angles 3 and 4 form a linear pair.
 Angles 5 and 7 are congruent as vertical angles; angles 6 and 8 are congruent as vertical angles.
 Angels 1 and 3 are congruent as vertical angles; angles 7 and 9 form a linear pair.

posted Sep 6, 2016, 8:13 AM by Chris Buehnerkemper
A city zoo uses 3dimensional, metallic structures to mark its various regions according to animal type. The zoo manager notices that the i in birds needs to be replaced, and she wants to know how much metal is needed to construct a new one. In order to solve this problem, which geometric shapes should the zoo manager use to represent the lowercase i? Answer choices:  rectangle and circle
 cylinder and cube
 trapezoid and square
 prism and sphere

posted Sep 1, 2016, 8:32 AM by Chris Buehnerkemper
Twice a number is 10 more than three times the number. What is the number? 
posted Aug 31, 2016, 10:25 AM by Chris Buehnerkemper
Which one doesn't belong? Why? 
