Math, asked by devarishitha, 7 months ago

To determine the length of a chain line crossing a river, a line AD was set at right angles to the chain line at A, At D, a right angle was set to obtain a point C with the angle BDC being a right angle. If the length AD= 65 m and AC = 22. 5m, find the length AB?​

Answers

Answered by Anonymous
2

Answer:

7.788

Step-by-step explanation:

Measure AC and AD triangle ABC and ACD are similar

therefore,  AB/AC=AC/AD

OR AB=(AC)*2(whole square)/AD

=(22.5)*2/65

AB=7.788

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