alex202204 alex202204

12-11-2018
Mathematics

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How to find angle 1? Would I subtract from 180 even though it is not a triangle?

How to find angle 1 Would I subtract from 180 even though it is not a triangle class=

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wegnerkolmp2741o wegnerkolmp2741o

12-11-2018

<2 + 95 = 180 straight line

<2 = 180-95 = 85

right angle +144 + <2 + <1 = 360 degrees ( quadrilateral)

substitute knowns

90 +144 +85 +<1 = 360

combine like terms

319 +<1 =360

<1 =41

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