maths gcse q?

Question

draw the locus of points that are 1 cm from the shape in the diagram

basically its a right angle one side 6 cm and one side 6cm (see below)

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Answer 1

It looks like an unfilled-in thick "L" where the thickness is 2 cm, and the ends are rounded as is the lower left corner.
If you sit the new shape down on a table, its height is 8 cm at the highest point, and is 8 cm wide along the line 1 cm up from the table.