(i) Straight angle | (a) Less than one-fourth of a revolution |
(ii) Right angle | (b) More than half of a revolution |
(iii) Acute angle | (c) Half of a revolution |
(iv) Obtuse angle | (d) One-fourth of a revolution |
(v) Reflex angle | (e) Between\[\frac{1}{4}\]and\[\frac{1}{2}\]of a revolution |
(f) One complete revolution |
Answer:
(i) Straight angle is half of a revolution. (ii) Right angle is one-fourth of a revolution. (iii) Acute angle is less than one-fourth of a revolution. (iv) Obtuse angle is between 1/4 and 1/2 of a revolution. (v) Reflex angle is more than half of a revolution. So, after matching, we find
(i) Straight angle (c) Half of a revolution (ii) Right angle (d) One-fourth of a revolution (iii) Acute angle (a) Less than one-fourth of a revolution (iv) Obtuse angle (e) Between and 1/2 of a revolution (v) Reflex angle (b) More than half of a revolution
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