∥Parallel lines: math practice, grade 7

Practise “Parallel lines” online for free. Five right answers in a row make the tasks harder, two mistakes in a row make them easier. Right answers earn coins for games.

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Example problems

These are only examples: the practice makes new tasks every time.

1. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   110

2. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   75

3. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   125

4. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   45

5. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   75

6. Lines a and b are parallel. Find the angle marked “?”.

   ? °

   Answer

   135

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