Geometry Mini-Lesson Tuesday, May 14, 2019 Tony is drawing a regular polygon. He has drawn two of the sides with an interior angle of 120°, as shown below.

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Geometry Mini-Lesson Tuesday, May 14, 2019 Tony is drawing a regular polygon. He has drawn two of the sides with an interior angle of 120°, as shown below. How many sides will the regular polygon have when Tony completes his drawing? 6 7 8 9 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 John is drawing a regular polygon. He has drawn two sides with an exterior angle measure of 45°, as shown. When John completes his regular polygon, what will be the sum, in degrees, of the measures of the interior angles? Gridded Response Correct Answer: 1080 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 Mindy is drawing a regular polygon. She has drawn two sides with an exterior angle measure of 36°, as shown below. When she completes her regular polygon, what will be the sum, in degrees, of the measures of the interior angles? Gridded Response Correct Answer: 1440 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 Sonja is drawing a regular polygon. She has drawn two of the sides with an interior angle of 150°, as shown. How many sides will the regular polygon have when Sonja completes her drawing? 10 11 12 13 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

42° 64° 117° 126° Geometry Mini-Lesson Tuesday, May 14, 2019 Review the triangle below. What is the measure of the exterior angle shown? 42° 64° 117° 126° MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson 45° 81° 99° 137° Tuesday, May 14, 2019 In the pentagon below, what is the measure of the exterior angle shown? 45° 81° 99° 137° MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 Find the value of x in the pentagon below. 18 18.9 19.6 20 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 Find the value of x in the octagon below. 34 36 57 69 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 A regular pentagon and a regular hexagon share a vertex, as shown below. What is the value of x, in degrees? Gridded Response Correct Answer: 13 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used

Geometry Mini-Lesson Tuesday, May 14, 2019 A regular pentagon shares each of its sides with an equilateral triangle, as shown. What is the value of x, in degrees? Gridded Response Correct Answer: 132 MA.912.G.2.2: Determine the measures of interior and exterior angles of polygons, justifying the method used