Answer:
<ABC=50
<EDB=30
<DFC=60
Step-by-step explanation:
<ABC=50 BECAUSE ANGLE SUM PROPERTY
90+40+50=180
<EDB=30 BECUSE ANGLE SUM PROPERTY
100+50+30=180
<DFC=60 BECAUSE ANGLE SUM PROPERTY
30+90+50=180
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Answer:
16km/h
Step-by-step explanation:
1h = 60m
165m = 44km
60m =
× 44km
= 16km
Answer: perpendicular lines
Step-by-step explanation:
look up "Two straight lines that intersect at a right angle"