Answer:
A. <ECF and <BCF
Step-by-step explanation:
Complementary angles are angles that add up to give 90°
m<BCE = m<BCA = 90° (right angles)
m<ECF + m<BCF = m<BCA
m<ECF + m<BCF = 90° (Substitution)
Therefore, <ECF and <BCF are complementary angles.
Answer:
I hope this help
Step-by-step explanation:
x + y - 5
subtract 0 from the equation above
Answer:
608,000
Step-by-step explanation: