For a wheelchair ramp to be allowed, the angle of the ramp must be no more than 20°. If a ramp has an angle of 18°, which statement is true?
1 )
The ramp is not allowed because 18° is greater than 20°
The ramp is allowed because 18° is less than 20°
3 )
The ramp is not allowed because 18° is too steep
4 )
The ramp is allowed only if it is exactly 20°
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