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form an equation and solve in figure 1. x+3​

Form An Equation And Solve In Figure 1 X3 class=

Sagot :

Answer:

10. 32°

11.28°

11.30°

x+3+x+1x-1=90

3x=90-3-1+1

3x=87

x=29

29+3=32

29-1=28

29+1=30