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Mathematics 7 Online
OpenStudy (anonymous):

A hot air balloon is sighted at the same time by two friends who are 1.0 mile apart on the same side of the balloon. The angles of the elevation of the balloon from the two friends are 20.5 and 25.5. How high is the balloon?

OpenStudy (mrnood):

Not a very well phrased question - but I assume they are on a line on the same side as the balloon. If that is the case then this is the drawing... |dw:1406136151087:dw| Solve the triangle with sine and cosine rules

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