Brian drew a horizontal line that divided the

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Unformatted text preview: that divided the pentagon into a trapezoid and a triangle. The angles marked x had also been cut into two parts, so he labeled the parts a and b. Carlos used the exterior angles of the pentagon to figure out the measure of the angles marked x. Diane used the sum of the interior angles to calculate the measure of the angles marked x. Plenary discussion Discuss each response in small groups before writing a commentary on the strengths and/or weaknesses of each. Annabel’s response Brian’s response Carlos’s response Back to the initial assessment task Tackle the original assessment task again, bearing in mind what you have learned during the lesson. Diane’s response...
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