In a pie-chart, it looks like almost three-quarters of the pie.
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The measure of the angle is the number of degrees in this case.
It is a reflex angle because it is greater than 180 degrees
The complementary angle of 65 degrees is 25 degrees and together they form a right angle of 90 degrees.
An acute angle greater than 0 degrees but less than 90 degrees
A straight line of 180 degrees