Answer:
∠ DBE = 25.5°
Step-by-step explanation:
Given ∠ DBC = 90° and ∠ DBE + ∠ EBC = ∠ DBC, then
∠ DBE = ∠ DBC - ∠ EBC = 90° - 64.5° = 25.5°
Answer:
12
Step-by-step explanation:

Answer:
2/5
Step-by-step explanation:
The formula for slope is
m = (y2-y1)/(x2-x1)
= (5-7)/(1-6)
=-2/-5
=2/5
Answer:
rays BD and BC
Step-by-step explanation: