It is easy. I need help. I’ll mark brilliant!!!
1 answer:
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Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos45° = , then
cos45° = =
=
( cross- multiply )
c = 3
Answer:
m=1/7
Step-by-step explanation:
Labeled the points and used Slope of a line formula.
