Specify whether the given angle $\angle ABC$ is acute, obtuse, right, straight, or reflex.

Specify whether $\angle DEC$ is a/an acute, obtuse, right, straight, or reflex.

Specify whether $\angle AEC$ is acute, obtuse, right, straight, or reflex angle.

Specify whether the given angle $\angle ABC$ is acute, obtuse, right, straight or reflex angle.

Specify whether the given angles $\angle ADC$ is acute, obtuse, right, straight or reflex angle.

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Specify whether the given angle $\angle ACD$ is acute angle, obtuse angle, right angle, straight angle or reflex angle.

Specify whether the angle $\angle DAB$ is acute, obtuse, right, straight, or reflex angle.

Is the angle, $\angle ABC$ an acute angle, obtuse angle, right angle, straight angle or reflex angle?

Specify whether the given angle is acute, obtuse, right, straight, or reflex angle.

$\angle PQR$