Traditional Culture Encyclopedia - Tourist attractions - On the traffic map of 1: 38000, Nanjing Xuanwu Lake Tunnel is 7cm long, so its actual length is () A.26.6 kmB.2.66 kmC.0.26
On the traffic map of 1: 38000, Nanjing Xuanwu Lake Tunnel is 7cm long, so its actual length is () A.26.6 kmB.2.66 kmC.0.26
Let its actual length be xcm,
De: 1: 38000 = 7: x，
Solution: x=266 000,
∫266000 cm = 2.66 km
Its actual length is 2.66 kilometers. ..
So choose B.
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