Circles and Composite Figures
Help!
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| area | the size of a two-dimensional surface
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| circumference | the distance around a circle
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| composite figure | a figure that can be divided into two or more basic shapes
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| radius | the distance from the center of the circle
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| diameter | the distance from one endpoint to another that passes through the center of a circle
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| pi | the ratio of the circumference of a circle to its diameter
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| area of a circle | A = pi(radius squared)
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| area of a rectangle | A = (base)(height)
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| area of a triangle | A=half of base times height
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| area of a trapezoid | A = half (base one plus base two)(height)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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