it was the angelometer which was used at first to emasure angles :) ... hope that help u much :D
Congruent angles.
what are some of the earliest forms of customers service
One of the earliest forms of drama was tragedy drama. Also, classical drama and romance drama were two of the very earliest forms of drama.
The answer depends on the earliest measurements of WHAT: time, distance, mass/weight, ...
Two angles that are congruent have the same angle measurement.
That means they have the same measurement. Any two angles that have the same measurement (for example, in degrees) are said to be congruent.
A polygon that all sides and angles are the same measurement is a regular polygon.
If the heptagon is regular the angle measurement for three angles would be approximately 385.7
They are supplementary angles.
70
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