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Oxana [17]
3 years ago
6

Find the length of the arc. 8 m 315°

Mathematics
1 answer:
ella [17]3 years ago
6 0

s = 44.0\:\text{m}

Step-by-step explanation:

First convert the angle into radian measure:

315°×\left(\dfrac{\pi}{180°}\right) = 5.50\:\text{rad}

The arc length <em>s</em> is given by

s = r\theta = (8\:\text{m})(5.50\:\text{rad}) = 44.0\:\text{m}

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Step-by-step explanation:

given that three  locations are marked next to a river. Points B and C are on the same side of the river, and point A is on the other side of the river. To find the distance AB across a river, a distance BC of 241 meters is laid off on one side of the river. It is found that the angle at point B is 108.6° and the angle at point C is 14.9°.

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