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What is XY?
A.square root 2
B. 5
C. 5 square root 2
D. 10

What is XY? A.square root 2 B. 5 C. 5 square root 2 D. 10-example-1
User Neeh
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2 Answers

3 votes
which part of our federal government can make treaties / approve treaties????
User Neinstein
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9 votes
Using the method of SOHCAHTOA.
We can use Sines because it has provided us the angle and the length.
We can do sin(45)=5/x, this is because 5 being the opposite and x being the hypotenuse.
Move x to the other side by multiplying by x or x/1

x/1 • sin(45)=5/x • x/1

Then you should have:

x sin(45)=5

We are solving for the hypotenuse (XY) so we isolate the x by dividing sin(45) on both sides leaving you with:

x = 5/sin(45)

Plug this into your calculator and you should have 5 square root 2 as your answer.
User Davor Zubak
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