Mathematics, 08.07.2019 13:20 maliyahclays

Δabc is isosceles. angles b and c are congruent. if m∠b = (5x + 5)° and m∠c = (7x - 25)°, find m∠a. a) 10° b) 15° c) 20° d) 80°

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Δabc is isosceles. angles b and c are congruent. if m∠b = (5x + 5)° and m∠c = (7x - 25)°, find m∠a....