Answer:
Angle DE = 11
Explanation:
DE = DF
8x + 3 = 6x + 5
8x = 6x + 5 - 3
8x - 6x = 2
2x = 2
2x/2 = 2/2
x = 1
DE = 8x + 3
DE = 8(1) + 3
DE = 8 + 3
DE = 11
Hope this helps
a=22.478
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