Answer:
14
Step-by-step explanation:
Sin(∅) = Opposite angle ÷ hypotenuse.
Sin (45) = 7 ÷ hypotenuse
hypotenuse = 7 ÷ sin(45)
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Keep in mind
sin(45) = √2÷2
so we have: Hypotenuse = 7√2 ÷ (√2÷2)
Hypotenuse= 14.
Answer: 31
Step-by-step explanation: 11+20=31
(1, -3)
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