| 21. | If the straws had been straight, then the above-mentioned angle would be exactly the interior angle of a pentagon.
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| 22. | Geometry 101 says that two triangles with the same interior angles are SIMILAR and the ratio of their sides is the same.
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| 23. | The hindwings are metallic-purple at the tips and a metallic-purple patch on each side of the interior angle.
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| 24. | The hindwings are white, semihyaline and iridescent, with a brown border, which does not extend to the interior angle.
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| 25. | Take this theorem as an example, we can use interior angle of parallel line to show that the base angles are equal.
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| 26. | The fifth intersects the exterior part of the band and extends to the interior angle and the sixth is in the submarginal disc.
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| 27. | Then one of the alternate angles is an exterior angle equal to the other angle which is an opposite interior angle in the triangle.
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| 28. | The other interior angle ( at the North Pole ) can be made larger than 90? further emphasizing the failure of this statement.
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| 29. | There is a white bent transverse line extending from the fourth mark to the interior angle and the marginal points are black and minute.
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| 30. | There are some elongated black costal points and a black streak by the interior angle and another near the base of the interior border.
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