Define
(1) Ratio
(ii) Angle
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Answer:
Angles larger than a right angle and smaller than a straight angle (between 90° and 180°) are called obtuse angles ("obtuse" meaning "blunt"). An angle equal to 12 turn (180° or π radians) is called a straight angle.
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1.)the relation between two numbers which shows how much bigger one quantity is than another.
2.)the space between two lines or surfaces that meet, measured in degrees
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