Mathematics, 26.06.2020 15:01 alangonsales6232

Here is a tunnel for a toy train. Work out the total area of
all six faces of the tunnel.
Give your answer in terms of no-
I
The diagram below shows the
cross section of the tunnel.
8 cm
AY В
с
D
2 cm
2 cm
10 cm
AD is a semicircular arc of radius 10 cm
BC is a semicircular arc of radius 8 cm
The length of the tunnel is 30 cm
Tota

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Here is a tunnel for a toy train. Work out the total area of
all six faces of the tunnel.

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