Mathematics
In Δ ABC, D is a point on BC such that AB = AD = BD = DC. Show that :
∠ADC : ∠C = 4 : 1.
Related Questions
The given figure shows an equilateral triangle ABC with each side 15 cm. Also DE // BC, DF // AC and EG //AB. If DE + DF + EG = 20 cm, find FG.

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Using the information, given in each of the following figures, find the values of a and b.

Using the information, given in each of the following figures, find the values of a and b.
