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Greg, the grounds man at the Super Star Hockey Club, is asked to repaint the lines on the hockey field.
a) Calculate the perimeter of the hockey field.
b) Calculate the perimeter of the D (semi-circle that marks the goal scoring area).
c) What is the total length of the lines he has to paint for one field?
d) Greg is asked to paint four fields, what is the total length of the lines he has to paint?

in Mathematics by Diamond (43,720 points) | 167 views

1 Answer

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a)   = 2(l + b)

 = 2(92 m + 55 m)

 = 294 m

b)   =    ×  r

 =    × 14,63m

 =  45.96 m

c)  Total length of lines = perimeter of the field + 3(width of the field) + 2(perimeter of the D)

Total  = 294 m + 3(55m) + 2(45.96m)

Total = 550,92 m

d)  Total length of lines for 4 fields = 4(length for 1 field)

= 4(550.92 m)  = 2 203,68 m
by Diamond (40,192 points)

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