6d+8=14+3d
6d=14-8+3d
6d-3d=14-8
3d=6
D=6/3
D=2
Answer:
Step-by-step explanation:
6x-1+3x+5x+3+4x+8+5x+5=360 degree(sum of exterior angle of a pentagon is 360 degree)
23x+15=360
23x=360-15
x=345/23
x=15
therefore the value of x is 15 degree.
4x+30=2(x-10)
4x+30=2x-20
4x-2x= -30-20
2x= -50
x= -25
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Sqrt14 = 3.74165
smallest integer above = 4