Tyres are made circular because:

they can be inflated

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they require less materaial

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they look beautiful

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they face less friction

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Solution

The correct options are
A they face less friction
B they can be inflated
Tyres are made circular because :
It is easy to inflate them.
Rolling friction is less than sliding friction.
Circular tyres dissipate less heat.
It is easy to slow down or stop vehicle.

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Tyres are made circular because:

The correct options are A they face less friction B they can be inflatedTyres are made circular because :It is easy to inflate them.Rolling friction is less than sliding friction.Circular tyres dissipate less heat. It is easy to slow down or stop vehicle.

The correct options are
A they face less friction
B they can be inflated
Tyres are made circular because :
It is easy to inflate them.
Rolling friction is less than sliding friction.
Circular tyres dissipate less heat.
It is easy to slow down or stop vehicle.