Press here to CLOSE XPolygons and Perimeters

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Practice with polygons - Press a radio button to select:

1. Identifying regular polygons - triangles, quadrilaterals, pentagons, hexagons, heptagons, octagons, nonagons, and decagons. Congruent and similar polygons.

2. More polygons including irregular and regular polygons.

3. Perimeters of polygons, squares, rectangles.

Click the correct answer and a check mark will appear. Click the problem, press the ENTER or RETURN key, or click on the reset problem button to set a new polygon problem.

Click the yellow check mark to keep score! Select the number of problems by clicking up and down by the 25 default. After you think you've correctly answered a problem, reset it. Each time you reset the problem, the left counter increases for a correct answer; the right counter counts the number of problems you've done. The black check mark will not appear when keeping score. When you've finished, your score will be shown.

The spinning math signs mean we're waiting on the server - if it goes too long, you can try pressing the reset button again.

Click the math teacher's apple to return to the geometry home page.

Browser text size should be set to normal or medium.

Practice with polygons - Press a radio button to select:

1. Identifying regular polygons - triangles, quadrilaterals, pentagons, hexagons, heptagons, octagons, nonagons, and decagons. Congruent and similar polygons.

2. More polygons including irregular and regular polygons.

3. Perimeters of polygons, squares, rectangles.

Click the correct answer and a check mark will appear. Click the problem, press the ENTER or RETURN key, or click on the reset problem button to set a new polygon problem.

Click the yellow check mark to keep score! Select the number of problems by clicking up and down by the 25 default. After you think you've correctly answered a problem, reset it. Each time you reset the problem, the left counter increases for a correct answer; the right counter counts the number of problems you've done. The black check mark will not appear when keeping score. When you've finished, your score will be shown.

The spinning math signs mean we're waiting on the server - if it goes too long, you can try pressing the reset button again.

Click the math teacher's apple to return to the geometry home page.

X Click here for Instructions