theres no diagram given
Answer:x=-7
Step-by-step explanation:
Answer:
Slope: 2/1 Y-Intercept: 1
what is this?
u get this diagram^
to find DBC
B+40+90=180
B=50°
to find BCD
CDB is 90° ( since perpendicular to AB)
so taking triangle BCD
90+50+c=180
c=40°