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Two lines cross at O. The bisector of one of the four angles makes a 35° angle with one line.
Find the full angle that was bisected.

Class 7Adjacent and Vertically Opposite AnglesLines and Angles
  • A63
  • B140
  • C77
  • D70

Step-by-Step Solution

A bisector splits the angle into two equal halves; if one half is 35°, the whole angle = ° = 70°.
Answer: D) 70

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