Question

Find BC.
25
25
B
3x + 4
D 4x - 5 c

Answer 1

b) BC = 62

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