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3 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What's area of circle? |
π × r × r |
diameter |
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What's perimeter of circle? |
π × D |
Radius |
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What to do if you found perimeter of circle but you have semi-circle for the question? |
½ × π × D Add the length of the base of the semi-circle with perimeter of circle |
Perimeter of circle is just the outer line of the circle only |
