Angular Measurements and Directions Quiz

What is the angle measured from a line directed towards the zenith?

• Zenith Angle

• Vertical Angle

• Nadir Angle

What is the basic unit for measuring angles in the sexagesimal system?

• Degree

• Radian

• Grad

• Mil

What is the angle subtended at the center of a circle by an arc length equal to the radius?

• Degree

• Radian

• Grad

• Mil

What is the direction of any line with respect to a given meridian called?

• Bearing

• Azimuth

• Interior Angle

• Deflection Angle

What is the angle between adjacent lines inside a polygon?

• Bearing

• Azimuth

• Interior Angle

• Deflection Angle

What is the angle measured from the horizontal?

• Zenith Angle

• Vertical Angle

• Nadir Angle

What is the fixed line of reference for determining direction of lines?

• True Meridian

• Magnetic Meridian

• Grid Meridian

• Assumed Meridian

What is the angle measured from a line towards the nadir?

• Zenith Angle

• Vertical Angle

• Nadir Angle

What is the circumference of a circle divided into 6400 parts called?

• Degree

• Radian

• Grad

• Mil

What is the basic unit for measuring angles in the centesimal system?

• Degree

• Radian

• Grad

• Mil