Area of a Rounded Corner Rectangle formula |
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| \( A_{area} \;=\; a \cdot b - r^2 \cdot \left( 4 - \pi \right) \) | ||
| Symbol | English | Metric |
| \( A_{area} \) = area | \( in^2\) | \( mm^2 \) |
| \( r \) = corner radius | \( in\) | \( mm \) |
| \( a, b, c, d \) = edge | \( in\) | \( mm \) |
| \( \pi \) = Pi | \(3.141 592 653 ...\) | \(3.141 592 653 ...\) |
Rounded corner rectangle (a two-dimensional figure) is a quadrilateral with two pair of parallel edges and rounded corners.- Diagonal is a line from one vertices to another that is non adjacent.
Diagonal of a Rounded Corner Rectangle formula |
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| \( D' \;=\; \sqrt{ \left( a - 2\cdot r \right)^2 + \left( b - 2\cdot r \right)^2 } + 2\;r \) | ||
| Symbol | English | Metric |
| \( D' \) = diagonal | \( in\) | \( mm \) |
| \( r \) = corner radius | \( in\) | \( mm \) |
| \( a, b, c, d \) = edge | \( in\) | \( mm \) |
Perimeter of a Rounded Corner Rectangle formula |
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| \( p \;=\; 2 \; \left[ a + b - r^2 \cdot \left( 4 - \pi \right) \right] \) | ||
| Symbol | English | Metric |
| \( p \) = perimeter | \( in\) | \( mm \) |
| \( r \) = corner radius | \( in\) | \( mm \) |
| \( a, b, c, d \) = edge | \( in\) | \( mm \) |
| \( \pi \) = Pi | \(3.141 592 653 ...\) | \(3.141 592 653 ...\) |