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Mathematics
Mathematics
Problem
A running track is made by attaching two semicircles to the opposite shorter sides of a rectangle. The rectangular part is
80
m
80\,\text{m}
80
m
long and
14
m
14\,\text{m}
14
m
wide. Calculate the total area enclosed by the track. (Use
π
=
22
7
\pi = \dfrac{22}{7}
π
=
7
22
.) a)
1428
m
2
1428\,\text{m}^2
1428
m
2
b)
1197
m
2
1197\,\text{m}^2
1197
m
2
c)
1274
m
2
1274\,\text{m}^2
1274
m
2
d)
1120
m
2
1120\,\text{m}^2
1120
m
2
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