27. Finding distance. Angela wants to find the distance from point A to her friend Carmen's house at point C on the other side of the river. She knows that the distance from A to Betty's house at B is 540 feet. (See the figure.) The measurement of angles A and B are 57° and 46", respec- tively. Calculate the distance from A to C. Round to the nearest foot. 57° 46° 540 feet A 28. Finding distance. In Exercise 27, find the width of the river assuming that the houses are on the (very straight) banks of the river.

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Q: how many miles?

A: see 2nd step.