kam3864
13.10.2020 •
Mathematics
Find the sum.
5+ (-7)
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Ответ:
-2
Step-by-step explanation:
5 + (-7)
5 - 7
-2
Please let me know if something's wrong!
Ответ:
If we add up all the angles of any triangle, we should get 180 degrees. Therefore, Angle C = 90 (angle A) - 45 (angle B) = 45 degrees. Since there was a ray drawn from A through C the exterior angle of angle C is angle 1.
Step-by-step explanation:
a "one angle" A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. ... Because a full rotation equals 2π radians, one degree is equivalent to π180 radians.