Peter is pouring a concrete patio in the shape of a regular decagon. To hold the concrete he needs to set the frame boards in the shape of the regular decagon. At what angle should he place the frame boards? Explain your thinking.
Peter is pouring a concrete patio in the shape of a regular decagon. To holdthe concrete he needs to set the frame boards in the shape of the regulardecagon. At what angle should he place the frame boards? Explain yourthinking.