Nov 02, 1999 · The target azimuth angle β 18 is measured with respect to the antenna boresight 20. That is, the target azimuth angle β 18 is the angular distance between the antenna boresight 20 and a target line 24 formed from the center of the antenna 10 to the target vehicle 40. Feb 28, 2020 · Interior angle of a regular polygon . The interior angles of a regular polygon are all congruent. As such, the measure of one interior angle of a regular polygon with n number of sides can be calculated as: int angle = ((n-2)180)/n Isosceles Trapezoid . A trapezoid in which the legs are congruent. Isosceles Triangle

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