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How many 45 degree angles can make a straight line?
It takes four times because 45+45=90+45=135+45=180. So all of those angles can make a straight line.
How much do all the angles of an octagon add up to?
Exterior angles add up to 360 degrees Interior angles add up to 1080 degrees
Does the sum of the measure of the angles is 180 degrees?
Only in some cases: 1. The angles are supplementary 2. The angles are at a single point on a straight line and all on the same side of it 3. The interior angles of a triangle. and a few more complicated scenarios. Otherwise, the answer is NO.
How many degrees does a rectangle to add to?
all the angles are right angles (90 degrees) and add to 360 degrees
What is true about any regular polygon?
The following is true of all polygons: -It is made up of straight line segments -It is 2-D -It is a closed figure, and thus has an area -Its angles add up to (n-2)x180 when n is the number of sides it has, unless it has a crossover. But "regular", when referring to a polygon, means that all of its sides are the same length, which also means that all of its angles are the same size; thus also: -It is convex. -its sides are congruent. -its angles have equal measures
