3×7=2 1 decimeter

Circumference: (14+2 1)×2=70 decimeter.

Area: 3×14+3×12+3×/kloc-0+3× 8+3× 6+3× 4+3× 2.

=3×( 14+ 12+ 10+ 18+6+4+2)

=3×66

= 1 12 square decimeter

Arrange the perimeter of 70 decimeters and the area of 1 12 square decimeters.

Students need to refuel! Ha ha! Teacher Fu wishes you academic progress!