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What is 270 degrees of a circle as a fraction?
It is: 270/360 or 3/4 in its simplest form
How would your find the fraction of a circle that an arc covers SHOW FULL ANSWER?
There are 360 degrees around a circle and if an arc covers 45 degrees of the circle then the fraction is 45/360 or 1/8 in its simplest form
What angle is form by a semi circle?
The angles of a semi-circle are on a straight line and angles on a straight line add up to 180 degrees.
The mesures of an exterior angle and the adjacent interior angle sum to 360 degrees because they form a linear pair?
No. 360 degrees is a full circle. These two angles, when added together would form a straight line, or 180 degrees.
Three radii in a circle form three angles-Two of the angles measure 130 degrees each-What is the measure of the third angle?
The idea is that three lines coming out from the center point of a circle (three radii) form three angles -- imagine, for an easy example, the Mercedes-Benz logo. Then the question is: if two of the angles each measure 130 degrees, what does the third angle measure? Well, the first two together measure 260 degrees. So, how many degrees in a circle overall are left, once 260 are taken out? There are 360 degrees in a circle, so the answer is 100.
