heptagon
US /ˈhɛptəˌɡɑn/
UK /ˈhɛptəɡən/
名詞
七邊形
a plane figure with seven straight sides and seven angles
範例:
•
The architect designed a building in the shape of a heptagon.
建築師設計了一座七邊形的建築。
•
A regular heptagon has all sides and angles equal.
正七邊形的所有邊和角都相等。