GWD27-16

羽依依

Q16:

On a map Town G is 10 centimeters due east of Town H and 8 centimeters due south of Town J.  Which of the following is closest to the straight-line distance, in centimeters, between Town H and Town J on the map?

 

A.   6

B.   13

C.   18

D.   20

E.    24

Answer:  

yumeeiko

=√(100+64)

=√164

=√(4×41)

=2√41

=2×6.4

~13

Answer is B.

szgmater

答案是 B

H到J的距离是 sqare root(10^2+8^2) =根号164

只有B和根号164最接近