The angle which is less than 90 Degree is called as

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Acute Angles Are Less Than 90 Degrees - When the term is given to a triangle as in an acute - Studocu

Obtuse angle: an angle whose measure is more than `90^@`but less than `180^@`is called

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An angle whose measure is from 0 degrees to 90 degrees is called an acute angle. If x is an acute angle, then x …

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What is the measure of the straight angle?

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The normal line is a line at a right angle (90 degrees) to the

90 Degree Clockwise Rotation Rotation of Point through 90° about the Origin