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Creating formulas in excel
 

Creating formulas in excel

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Creating formulas in excel Creating formulas in excel Presentation Transcript

  • Creating Formulas in ExcelFinding the missing angle of a triangle or rectangle
  • Step 1Open up Excel
  • Step 2In cell A1, type the word “triangles” You may change color, font, size when you are done with the whole assignment, not now.
  • Step 3Skip a cell, in cell A3, type “ angle 1”In cell A4, type “ angle 2”In cell A5, type “ angle 3”
  • Step 4We know that a triangle has a total of180 degrees.Do not type anything in B3 or B4 yet.In B5, type the formula (exactly):=180-(B3+B4) then press enter(think about what this formula means,you many need to explain it later)
  • Step 5Let’s say we have a triangle, 1 side ofthe triangle is 40 degrees, another is 30degrees.In B3 type 40, and in B4 type 30.Don’t change anything in B5.What comes up in B5? Is this correct?
  • Step 6Repeat the process for the rectangles,starting with writing “Rectangles” inD1.This time you will have 4 angles.Decide what formula you will use. (raiseyour hand if you don’t understand)
  • Step 7Save your excel sheet in math folder as:Missing_Angle_Calculator
  • Step 8 Answer the following questions (using your excel creation) Find the missing angle:1. Triangle: side 1= 20°, side 2=70°, side 3=?2. Triangle: side 1=30°, side 2=60°, side 3=?3. Triangle: side 1= 73°, side 2= 15°, side 3=? Write your answers down.
  • Step 8 Answer the following questions (using your excel creation) Find the missing angle:4. Rectangle: side 1= 20°, side 2=70°, side 3=55°, side 4=? Write your5. Rectangle: side 1=39°, side 2=58°, side answers down. 3=100°, side 4=?6. Rectangle: side 1= 73°, side 2= 99°, side 3=111°, side 4=?
  • Step 9You may customize your excel sheet(change font, color, size, etc)