it runs through the prime meridian
No. They can only be exactly 180 degrees. By definition, a linear pair is a pair of two adjacent supplementary angles, so together they must form exactly 180 degrees.
No - a pair of angles totalling 180 degrees are supplementary. Complementary angles sum to 90 degrees.
Complementary angles.
109.5 degrees
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The linear pair conjecture states that if two angles form a linear pair, the sum of the angles is 180 degrees.
The complement of 89 degrees is: 89+1 = 90 degrees which is a complementary angle
They intersect at 90 degrees
They are complementary
One answer would be 'the Northern and Southern hemispheres, and the second pair would be the Eastern and Western hemispheres, as measured from Greenwich'.
A pair of supplementary angles add up to 180 degrees. Therefore, the supplement to 112 degrees is 180 - 112 = 68 degrees.
A pair of adjacent angles whose non-common sides are opposite rays are called a linear pair. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.