Figure ADCB is a square. If ∠=(5)∘, what is the value of x?
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Step-by-step explanation:
sum of angles at E = 360°
angle CEB= 5X°
Diagonals of a square are equal and bisect each other and are 90°
therefore
all are 5x°
E IS 360°
E = DEA + AEB + BEC + CED
E = 5x° + 5x° + 5x° + 5x°
E= 20x°
360= 20x°
360/20= X
18=X
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