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The four angles are the right which is 90 degrees, the acute which is less than 90 degrees, the obtuse which is more than 90 degrees, the straight line which is 180 degrees and the revolution(the whole circle)which is 360 degrees.
90 degrees 90 degrees
Answer = 90 degrees - Right angle 180 degrees - Straight angle More that 90 degrees, but less that 180 degrees - Obtuse angle Less than 90 degrees - Acute angle More than 180 degrees, but less than 360 degrees - Reflex angle 360 degrees - complete turn (circle)/ completion
90 - 18 = 72 degrees.90 - 18 = 72 degrees.90 - 18 = 72 degrees.90 - 18 = 72 degrees.
Yes. Because 90+90 = 180 degrees. Yes. Because 90+90 = 180 degrees. Yes. Because 90+90 = 180 degrees. Yes. Because 90+90 = 180 degrees.