Mathematics
What fraction of a revolution have you turned through if you stand facing
(i) north and turn clockwise to face west?
(ii) south and turn anti-clockwise to face east?
(iii) east and turn clockwise (or anti-clockwise) to face west?
Also find the number of right angles turned in each case.
Related Questions
Where will the hour hand of a clock stop if it starts from
(i) 6 and turns through 1 right angle?
(ii) 8 and turns through 2 right angles?
(iii) 10 and turns through 3 right angles?
(iv) 7 and turns through 2 straight angles?
Match the following:
(i) Straight angle (a) More than half a revolution (ii) Right angle (b) Less than one-fourth of a revolution (iii) Complete angle (c) Half of a revolution (iv) Acute angle (d) One-fourth of a revolution (v) Obtuse angle (e) Between 1⁄4 and 1⁄2 of a revolution (vi) Reflex angle (f) One complete revolution Classify the angles whose magnitudes are given below:
(i) 56°
(ii) 125°
(iii) 90°
(iv) 180°
(v) 215°
(vi) 328°
(vii) 89°
(viii) 178°