IrieBoy479
17.02.2020 •
Mathematics
Calculate correct to three significant figures length of Arc with subtend an angle of 70 degrees at the centre of circle of radius 4 cm
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Ответ:
4.89 cm
Step-by-step explanation:
Formula for arc length = (angle/360)×2×pi×r
(70/360)×2×pi×4 = 4.89cm
Ответ:
14 -w-
Step-by-step explanation: