Question 946014
The scale says that 1 cm in the drawing corresponds to 4 m in the real lab object.
All five sides have the same length, and
I agree that they mean each side of the pentagon in the drawing measures 3 cm.
That means that the real life object represented is a pentagon with sides measuring
{{{(4m/"1 cm")*3cm=12m}}}
The perimeter is {{{5*12m=highlight(60m)}}} .