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in Angles and their Measurement by (34.1k points)
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Express the following degrees into grades (i.e., sexagesimal system to centesimal system)

(i) 63°

(ii) 108°

1 Answer

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Best answer

(i) We know that to change degree into grades, add one-ninth into degrees.

∴ 63° = 63 + 1/9 x 63

= 63° + 7 = 70°

(ii) 108° = 108° + 1/9 x 108°

= 108° + 12° = 120°

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