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Around a point there is one angle of 100° and four other angles that are all equal to a. Find a.

Class 7Angles Around a PointLines and Angles
  • A52°
  • B65°
  • C80°
  • D70°

Step-by-Step Solution

100° + °, so ° and °. (52° comes from dividing 260° by 5.)
Answer: B) 65°

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