When copying line segment ab using a straight edge and compass, the compass should be used toa)draw an arc above point a. b)measure the length of line segment ab. c)draw an arc between point a and point b. d)measure half the length of line segment ab.

B)measure the length of line segment AB
the compass is used to copy the length of line segment ab to another line. it "measures" the segment but only for the purpose of being copied, it does not give a numerical length.

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3

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