rosyatikaovzz4p
rosyatikaovzz4p
10-09-2017
Mathematics
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please help me (math)
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Аноним
Аноним
10-09-2017
Calculate the length of arc PQ:
PQ = r * C where r = radius and C is angle in radians = 21 * pi/3 = 22 cms
<SOT = 90 - 60 = 30 degrees
Calculate length of Arc ST
ST = 14* pi/6 = 22/3 cms
QS = 21 - 14 = 7 cms
Perimeter = 21 + 22 + 7 + 22/3 + 14 = 214/3 = 71.33 cms to nearest hundreth
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