A long-distance runner started on a course at an average of 9 mph half an hour later a second runner begin the same course of an
average of speed of 11 mph how long after the second runner starts the second runner take over the first runner
1 answer:
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Answer:
Step-by-step explanation:
As per midsegment theorem of a trapezoid,
Segment joining the midpoints of the legs of the of the trapezoid is parallel to the bases and measure half of their sum.
Length of midsegment =
3). MN =
= 14
4). MN =
= 66.5
5). MN =
7 =
14 = AB + 10
AB = 14 - 10
AB = 4
6). 15 =
30 = 5x
x = 6
