If you mean 10 inch per side, then the area = 10 x 10 = 100 square inches and the perimeter will be 4 x 10 = 40 inches.
9 x 13 = 117 square inches
= 6.14 Area of Circle - Area of Square r x Pi - side x side
Is the question What is the AREA of a 5 inch by 7 inch photograph? The area of the photograph is 5 x 7 = 35 square inches. But if you are asking how much surface area does a 5 inch by 7 inch photograph have, you have to consider the area of both the front and the back of the photograph or 70 square inches.
The answer depends on the units used for 3 X 8. It should, for example, be obvious that the number of square inches in a 3 inch x 8 inch shape will be different to the number of square inches in a 3 foot x 8 ft area.
If you mean 10 inch per side, then the area = 10 x 10 = 100 square inches and the perimeter will be 4 x 10 = 40 inches.
42.3 such squares.
Multiply the two dimensions to get the area. In this case the calculations gives you 1200 square inches, divide by 144 to get 8.33 square feet.
* 143in2
40
9 x 13 = 117 square inches
The area is 0.3" x 0.6" = 0.18 square inches.
It does not work like this, an inch is a unit of length, a square inch is a unit of area and a cubic inch is a unit of volume.
A square cannot measure 90 by 40; this would be a rectangle. Anyway, the area of this rectangle is 90 x 40 = 3,600 square units.
The area of square is : 1600.0
A Square Inch is a measurement of 1" X 1" used to measure area. It is the area inside a square that (as all squares do) has four equal sides that each measure an inch. Its as simple as I can put it.
the area of a 1.4 inch square is 1.96 inches squared. the area of any square is the length of one side multiplied by itself. 1.4 X 1.4 = 1.96