In triangle DEF, ( E ) is (90^ )

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

In triangle DEF, ∠E\angle E is 90∘90^\circ. The sides are DE=x cmDE = x\,\text{cm}, EF=x+2 cmEF = x+2\,\text{cm} and DF=10 cmDF = 10\,\text{cm}. Find tan⁡∠D\tan \angle D.

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