If you're asking about a square with side length 21, the perimeter is 4 x 21 = 84 and the area is 212 = 441.
53.3969
56
It depends on the shape of your room. If your room is a rectangle then your perimeter is 102 feet.
21 x 2 has greatest perimeter
If you're asking about a square with side length 21, the perimeter is 4 x 21 = 84 and the area is 212 = 441.
53.3969
The perimeter would be 5x2+6x2=10+12=22cm
Perimeter - video game - was created on 2004-05-21.
The perimeter which is the circumference of a circle is: pi*diameter or 2*pi*radius
It is: 21+31+21+31 = 104 inches
The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi
56
If you extend the perimeter by 3 feet in each direction, you will get a new rectangle 18 ft by 21 ft with a perimeter of 78 feet (18+21+18+21 = 78)
7 cm x 3 sides = 21 cm perimeter.
It depends on the shape of your room. If your room is a rectangle then your perimeter is 102 feet.
21 x 2 has greatest perimeter