Question
Classify the following angles as acute, obtuse, straight, right, zero and complete angle:
(i) $118^{\circ}$  (ii) $29^{\circ}$  (iii) $145^{\circ}$  (iv) $165^{\circ}$  (v) $0^{\circ}$  (vi) $75^{\circ}$  (vii) $180^{\circ}$  (viii) $89.5^{\circ}$  (ix) $30^{\circ}$  (x) $90^{\circ}$  (xi) $179^{\circ}$  (xii) $360^{\circ}$  (xiii) $90 \frac{1}{2}^{\circ}$

Answer

Zero: (v); Acuten (ii), (vi), (viii), (ix); Obtuse: (i), (iii), (iv), (xi), (xiii); Straight (vii) ; Right: (x); Complete : (xii).

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