rotations and revolutions. When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.
Explanation:
triangle ABC is reflected across A C and then is dilated to form smaller triangle D C E
90.00 - 0.026 = 89.974.
Hope this helps.
Tectonic plates shift below the surface of the earth
