Ad is the height of triangle ABC, de ⊥ AB, DF ⊥ AC, and the vertical foot is a and e respectively. Try to judge the size of ∠ ADF and ∠ AEF and explain the reason Using similar triangle to solve the problem
Triangle AED is similar to ADB, AE: ad = ad: ab,
Triangle AFD is similar to ADC, AF: ad = ad: AC, angle ADF = angle ACD,
AE:AC=AF:AE,
Triangle ABC is similar to AFE,
Angle AEF = angle ACD,
∠ADF=∠AEF
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