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# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content
:geometry, elementary geometry, euclidean geometry
triangle, area, altitude, angle, radius, incircle, circumcircle
:precision, 12
operation, triangle with given sides
size, 600x480
:, Calculate
:
$submit1
the triangle with given sides:
<input type="text" size="20" name="formula" value="4, 5, 6">