ETO High School Mathematics 2014 2015 Geometry Circles

ETO High School Mathematics 2014 – 2015 Geometry: Circles Build Your Mathematician

Build Your Mathematician: 2 1 1 3 2 4 6 4 3 5 5 7 6 8 7 8 Directions: Each group of 3 or 4 will choose a mathematician they would like to build. For each problem posted, all groups will have between 2 and 4 minutes to complete the problems with every member of the group showing work on their individual paper. Groups with correct answers will have the opportunity to have one piece of their mathematician drawn. Any member of the group can be asked to explain their answer so work together! The first group to complete the drawing of their mathematician wins!

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3. Answer Calculator - NEUTRAL 83 130

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4. Answer Calculator - NEUTRAL ABC There are multiple correct solutions 180 ADC

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Calculator - NEUTRAL #8 A definition for a circle is given below, but there are some words missing. Choose words from the list and drag and drop them in the blanks so that the definition for a circle is accurate. arc center circle equidistant A circle can be defined as the set of all points in a(n) from a given point called its . plane radius that are space

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#18 Calculator - NEUTRAL Which of these statements are true about the incenter of a triangle? Select all that apply. q q q q The incenter is the point of concurrency of the medians of the triangle. The incenter is equidistant from the sides of the triangle. The incenter is equidistant from the vertices of the triangle. The incenter is the point of concurrency of the angle bisectors of the triangle. The incenter is the center of a circle inscribed in a triangle. The incenter is the center of a circle that includes the three vertices of the triangle. The incenter is the center of gravity of the triangle.

18. Answer Calculator - NEUTRAL Which of these statements are true about the incenter of a triangle? Select all that apply. q q q q The incenter is the point of concurrency of the medians of the triangle. The incenter is equidistant from the sides of the triangle. The incenter is equidistant from the vertices of the triangle. The incenter is the point of concurrency of the angle bisectors of the triangle. The incenter is the center of a circle inscribed in a triangle. The incenter is the center of a circle that includes the three vertices of the triangle. The incenter is the center of gravity of the triangle.

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Calculator - NEUTRAL 20. Answer 80

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