Geometry

Section 11.3 Clicker

Determine the sum of the interior angles of a 15-gon

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1. 2700°2. 360°3. 2340°4. 156°

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Determine the measure of each interior angle of a regular 12-gon

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1. 2160°2. 156°3. 1800°4. 150°5. 180°

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Solve for the value of x

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1. 574°2. 34°3. 146°4. Not possible

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Determine the sum of the exterior angles of a 17-gon

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1. 2700°2. 360°3. 3060°4. 158.82°

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Determine the measure of each exterior angle of a regular decagon

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1. 36°2. 360°3. 144°4. None of the above

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Each interior of a regular n-gon is 170°. Determine n (the number of sides).

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1. 362. 1703. 194. None of the above

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The basic idea of how to find the area of this regular octagon would be to…

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1. Take the base times the height

2. Find the area of a triangle formed by two radii and take it times eight

3. Find the area of the circle around it and subtract eight

4. Give up and ask somebody smart to do it

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Given that the area of the shaded triangle is 10.4, what is area of the regular octagon?

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1. 83.22. 1.33. 108.164. 10.4

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Determine the central angle of this regular octagon.

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1. 180°2. 360°3. 22.5°4. 45°5. None of the above

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Determine the length of an apothem in this regular octagon.

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1. 22. 83. 1.664. 3.315. None of the above

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Determine the length of a side in this regular octagon.

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1. 42. 83. 1.664. 3.315. None of the above

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Determine the area of this regular octagon.

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1. 53.022. 106.043. 6.634. 13.255. None of the above

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Determine the perimeter of this regular octagon.

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1. 13.282. 323. 53.024. 26.515. None of the above

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Determine the area of this regular hexagon.

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1. 64.952. 32.483. 129.904. 255. None of the above

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Determine the ratio of the perimeters (shaded to unshaded) of these similar polygons

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1. 6/42. 4/63. 3/24. 36/165. 9/46. None of the above

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Determine the ratio of the areas (shaded to unshaded) of these similar polygons

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1. 6/42. 4/63. 3/24. 36/165. 9/46. None of the above

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The ratio of the areas of two similar polygons is 4/25. What is the ratio of their perimeters?

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1. 4/252. 25/43. 16/6254. 2/5

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The ratio of lengths of two corresponding sides of two similar polygons is 3:4. The smaller figure has an area

of 36. What is the area of the larger figure?

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1. 1442. 363. 484. 645. None of the above

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