If the womens world record holder ran the 400 meter race at a constant speed, how long did it take her to run each 100 meter segment of the race

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