Question

during a chain survey a pond came in the way of a chain line,making direct length measurement impossible.two line ac and ad were set out on either side of the chain line and measured 430m on left and 320m on the right the triangle was completely by a straight line cbd, where in cb measured 292m and bd measured 348m.b being on the continuation of the chain line. find the length of ab​

Answer 1

Answer:

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