Find the number of degrees in an angle that is (i) of a right angle (ii) 0.2 times of a straight line angle.
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i) 90°
ii) 0.2 × 180
= 180×2/10
=360/ 10
= 36
ii) 0.2 × 180
= 180×2/10
=360/ 10
= 36
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