Question

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Answer 1

Answer:

Give,

AB||CD

(i) a =180°-104° [corresponding angles]

=76°

b= 180°-116°

=64°

therefore, x=( 76+64 )=140°.

(ii) a=35° [alternative angle]

b=65°[alternative angle]

therefore, x=(35+65) =100°

(iii) a =180°-35°[corresponding angles]

=145.

b= 180°-75°[corresponding angles]

=105°

therefore,x=(145+105) = 250°