A square inch is a measure of area. The area could have any shape but for simplicity consider squares and rectangles where the area is given by the product of length and width, lxw. The length and the width are linear measurements. You can assign any values you want to the length and width and their product will be an area. A square with sides of 1 inch will have an area of one square inch. A rectangle whose length is 2 inches and width 1/2 inch will also have an area of one square inch.
3 inches
15.5 sq inch = 1 sq decimeter
There are no inches in an square inch. Square inches are units of area and inches are units of length, the two can not be equated.
There are: pi*1*1 = pi square inches
256*pi square inches Area of a circle = pi*radius2
There are no square inches in an inch. Square inches are units of area and inches are units of length.
3 inches
144 square inches make one square foot Each square inch is 0.006944 of one square foot. (rounded)
15.5 sq inch = 1 sq decimeter
There are no inches in an square inch. Square inches are units of area and inches are units of length, the two can not be equated.
1.7689
Multiply width by length to get the area. The answer would be 187 square inches.
A 1.25-inch diameter circle contains 1.227 square inches.
A 4.75-inch diameter circle contains 17.72 square inches.
That is 240 square inches. There are 144 square inches in a square foot therefore it is approximately 1.66 square feet.
The area of a circle with an 8 inch diameter is approximately 50.27 square inches.
96 square inches