B2nounscienceeducation
US/ˈpen.tə.ɡɑːn/
UK/ˈpen.tə.ɡən/
a shape with five straight sides and five angles
In context
Draw a pentagon and mark each of its five corners.
The garden was laid out in the shape of a regular pentagon.
A pentagon has five sides, while a hexagon has six.
Words that go with pentagon
adjective + noun
- regular pentagonA regular pentagon has five equal sides.
verb + noun
- draw a pentagonDraw a pentagon inside the circle.
noun + preposition
- shape of a pentagonThe building has the shape of a pentagon.
- sides of a pentagonThe sides of a pentagon add up to a fixed perimeter.
- area of a pentagonFind the area of a pentagon with sides of 4 cm.