单词 | Central Angle |
释义 | Central Angle![]() An Angle having its Vertex at a Circle's center which is formed by two points on theCircle's Circumference. For angles with the same endpoints, ![]() where ![]()
Pedoe, D. Circles: A Mathematical View, rev. ed. Washington, DC: Math. Assoc. Amer., pp. xxi-xxii, 1995. |
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