Ventricular septal defects are the second most common defect. Ventricular septal defect occurs in about 25% of all infants born with a heart defect. These defects are more common in premature infants. Treatment for ventricular septal defect include reduce symptoms with medications, antibiotics, or surgery.
Heptagon. A heptagon is a seven-sided polygon. It is also sometimes called a septagon, though this usage mixes a Latin prefix sept- (derived from septua- , meaning seven) with the Greek suffix-gon (from gonia, meaning angle), and is therefore not recommended. The regular heptagon, illustrated above, has Schlaefli schlÃ¤fli. symbol
review a polygon is an enclosed two dimensional shape with straight sides a heptagon is a seven sided polygon a regular heptagon is a heptagon that has congruent sides and angles an irregular heptagon is any heptagon whose sides and angles are not all congruent