DLat DLong

The Earth is flattened at the poles and bulges at the Equator, geodesy represents the figure of the Earth as an

• Sphere

• Oblate spheroid

• Ellipse

• Circular Prism

Circles on the surface of the earth perpendicular to the polar axis that do not pass through center of the earth

• Little Circle

• Small circle

• Great circle

• Big Circle

Is the arc of the meridian or angle at the center of  the earth contained between parallel latitudes through the two places

• Difference of Latitude

• Difference of Longitude

• Different Latitudes

• Different Longitudes

Is the shortest arc of the equator or the smaller angle at the poles contained between the meridian through the two places.

• Different Longitude

• Difference of Latitude

• Difference of Longitude

• Different Longitude

Are geometric planes passing through the center of the earth that divide the earth into two equal parts. Generally this  represents the shortest distance between any two points on a sphere

• Oblate Spheroid

• Great Spheroid

• Small circle

• Great Circle

Are responsible for a standard compass’ directive force

• Magnets

• Magnetic poles

• Poles

• Equator

Which of the meridians mark the boundary between one day and the next?

• Longitude

• Meridians of longitude

• Int'l date line

• Prime meridians

Are great circles formed by a plane, which cut through the axis of the Earth

Find D.Lat Direction point A = 18° 20’ N / Point B = 18° 10’ N

Find D.Lat Direction point A = 20° 50’ S / Point B = 10° 10’ N