Runners in a long distance race start out going 8 kilometers east and then head north for the remainder of the race. The finish line is 10 kilometers from the starting line. How far did the runners travel north? A. 2 km
B. 6 km
C. 10 km
1 answer:
B. 6 km You have to draw it so you can better process it. From there it's just the Pythagorean theorum. a²+b²=c² 6²+b²=10² (10 is c because it's the hypotenuse) 64+b²=100 100-64=36 √36 = 6
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