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Math Unit 7

QuestionAnswer
How can you find angle of depression? To find that you just need to use tan(height/base)
What is scale factor? How can you find it? Comparing 2 triangles to see if it got smaller or bigger by___ You can find it dividing the new/old
What is scale factor area? How can you find it? The area of the other triangle (New/Old)^2 x the area given
What is sohcahtoa S:opposite/hype C:Adj/Hyp T:Opp/Adj
How do you find the angles? Always label your triangle first. Pick the two sides you know. Use tan if you know opposite & adjacent. Use sin if you know opposite & hypotenuse. Use cos if you know adjacent & hypotenuse.
How to find sides? Label triangle Pick the angle you know Identify which side you want (O, A, H) Choose sin, cos, or tan that contains that side Rearrange formula → multiply/divide to solve
Cosine? ASA SSA ASS
Sine? SSS SAS
Created by: Aiya_
 

 



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