Question 19
What is the ratio of an interior angle to an exterior angle of a regular 30-sided polygon?
Source glossary (English–Vietnamese): How many times: gấp bao nhiêu lần; Interior angle: góc trong; Regular 30-sided polygon: đa giác đều 30 cạnh; Exterior angle: góc ngoài.
Source glossary (English–Vietnamese): How many times: gấp bao nhiêu lần; Interior angle: góc trong; Regular 30-sided polygon: đa giác đều 30 cạnh; Exterior angle: góc ngoài.