Runners in a long distance race start out going 8 kilometers east and then head north for the remainder of the race. The finish

Question

Anna11 [10]

3 years ago

11

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

Mathematics

1 answer:

Ilya [14] · Answer 1 · 2022-02-03T10:38:39+03:00

Ilya [14]3 years ago

5 0

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