Q23 of 69 Page 9

In Fig. 9.48, what is y in terms of x?

In

x + 2x + ∠ACB = 180o


∠ACB = 180o – 3x (i)


In


y + 180o – 3y + ∠ECD = 180o


y + 180o – 3y + 180o - ∠ACB = 180o


y = x

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