Which equation can be used to find the length of AC?
2 answers:
Answer:
Option 1 is correct.
Step-by-step explanation:
Given the right angled triangle ABC in which right angle is at C
we have to find the length of AC
Hypotenuse=AB=10 in
Base=BC=a
Perpendicular=AC=b
we have to find the equation which can be used to find the length of AC.
Here AC is perpendicular and hypotenuse is known therefore we use sine ratio.
Hence, option 1 is correct.
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Exactly one solution.
We really only had to ensure the lines had two different slopes. Then there's always exactly one solution.
If the lines had the same slope, they're either the same line (coincident) so an infinite number of solutions, all the points on that line, or they're parallel, no solutions.