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Section1 Q6




6. If∠XYZ in the figure above is a right angle, what is the value of x?

(A) 155

(B) 145

(C) 135

(D) 125

(E) 110

Answer: B

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1 comment:

  1. PS BloggerJanuary 26, 2010 at 4:31 AM

    Solution:

    Angle XYZ = 90°

    So angle XYB = 90° - 55° = 35°

    Hence x° = 180° - 35° = 145°

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