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You are walking near a river. While standing at A, you measure an angle of 90° between B and C, as shown. You then walk to B and measure

an angle of 61° between A and C. The distance between A and B is about 1 mile. How wide (in miles) is the river between A and C? Round your
answer to the nearest tenth.
61
B Im
A
The width is about
miles.

You are walking near a river. While standing at A, you measure an angle of 90° between-example-1

1 Answer

5 votes

Answer:

3.6

Explanation:

tan61=x/2

2(tan61)=x

3.6=x

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