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This sign shows when a lift is safe to use: **Total mass of people must be 480 kg or less** Fred and some other people are in the lift, and

This sign shows when a lift is safe to use: **Total mass of people must be 480 kg or less** Fred and some other people are in the lift, and

The sign shows when a lift is safe to use: the total mass of people should be 480 kg or less. Fred and some other people are in the lift,

What is the perimeter of the figure? 32.0cm 51.0cm 19.0cm 63.0cm

This sign shows when a lift is safe to use. The total mass of people must be 480 kg or less. Fred and some other people are in the lift,