Find the Angles a and ACB, and Length CD in the Roof

question 195

Short Answer

Find the angles A and ACB, and length CD in the roof shown in the illustration below, where AC = BC.
Do not use rounded answers in your calculations. Round angles to the nearest tenth, and round side lengths to three significant digits. ∠A =  __________°, ∠ACB = __________ CD = __________ ft

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