Answer:
b) BC = 62
Step-by-step explanation:
since AB and AC equal 25, we know that ΔADB ≅ ΔADC and we can write this equation:
3x + 4 = 4x - 5
4 = x - 5
x = 9
3(9) + 4 = 31
BD = 31
DC = 31
BC = 2(31) = 62
