Answer:
OX = 7 1/11
Step-by-step explanation:
m∠BOX = 90 - m∠BOL
m∠POD = 90 - m∠POL
m∠BOL = m∠POL
m∠BOX = m∠POD
m∠XBO = m∠DPO
ΔBXO similar to ΔPDO
12/10 = OX / (13 - OX)
10 * OX = 12 * 13 - 12 * OX ... add 12 * OX both sides
22 * OX = 156
OX = 7 1/11
