Help- i dont understand Just 10 11 and 12 please!

Mathematics

1 answer:

katrin [286]2 years ago

6 0

10. acute angles: 0
Right angles: 4
Obtuse angles: 0
Perpendicular lines: 0
Parallel lines: 2

11. Acute angles: 2
Right angles: 0
Obtuse angles: 1
Perpendicular lines: 0
Parallel lines: 0

12. H

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