How to find the length of the hypotenuse of an acute / obtuse triangle - ACT Math
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Question
What is the value of 
in the triangle above? Round to the nearest hundredth.
What is the value of
Answer
Begin by filling in the missing angle for your triangle. Since a triangle has a total of 
degrees, you know that the missing angle is:
Draw out the figure:
Now, to solve this, you will need some trigonometry. Use the Law of Sines to calculate the value:
Solving for 
, you get:
Rounding, this is 
.
Begin by filling in the missing angle for your triangle. Since a triangle has a total of
Draw out the figure:
Now, to solve this, you will need some trigonometry. Use the Law of Sines to calculate the value:
Solving for
Rounding, this is
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