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8 more. A dodecagon has 12 sides. A quadrilateral has 4 sides.
A rectangle measuring 18 by 12 inches has an area of 216 square inches.
A rectangle measuring 12 inches by 8 inches has a perimeter of 40 inches, since 12 + 12 + 8 + 8 = 40 inches.
12*6 = 72 inches.
12 inches in a foot, so 12:1 (12 to 1) obviously...
8 more. A dodecagon has 12 sides. A quadrilateral has 4 sides.
A rectangle measuring 18 by 12 inches has an area of 216 square inches.
A rectangle measuring 12 inches by 8 inches has a perimeter of 40 inches, since 12 + 12 + 8 + 8 = 40 inches.
A rectangular picture measuring 12 inches by 18 inches is 216 square inches
Is it possible to draw a quadrilateral with sides 2", 4", 5" and 12" long? If not, why not?
4 < x < 20
No, a quadrilateral has 4 sides, hence the root "Quad", meaning 4.
18.7013 US gallons.
8" x 12" = 96 square inches
A dodecagon has 12 sides, a nonagon has 9, and quadrilateral has 4, and a triangle has 3. So in 1 dodecagon, 2 nonagons, 1 quadrilateral, and 4 triangles there are 1*12 + 2*9 + 1*4 + 4*3 = 12 + 18 + 4 + 12 = 46 sides altogether.
12 inches in a foot, so 12:1 (12 to 1) obviously...
12*6 = 72 inches.