What statement about this figure is true?
- it has no reflectional symmetry
- it has no rotational symmetry
- it has reflectional symmetry with 16 lines of symmetry
- it has rotational symmetry with an angle of rotation of 45 degrees.

127

whether it's diameter, or radius, i believe if i remember correctly from school, every amount has to always add up to 180. so if you take 53, and starting adding, long story short, taking 127 and adding it to 53, gives you 180.

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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