19 divided by 40 is .475 so it’s -29.475
Answer:
44 degrees
Step-by-step explanation:
Triangles ABC and DBC are congruent (as said in the question), that would make the corresponding parts of the two triangles congruent.
a). (20 x 80) + (20 x 6) + (7 x 80) + (7 x 6)
