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5 votes
Does anyone know how to do number 1

Does anyone know how to do number 1-example-1
User Vulcan
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1 Answer

2 votes
I believe it's saying whatever you measure the angle for in 4 is the same as 5. You could probably figure it out by knowing it's an acute and that the two together make a square. (Angles altogether equal 360, 180 a side)
User Zolio
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